625480641 has 12 divisors (see below), whose sum is σ = 918283860. Its totient is φ = 410150880.

The previous prime is 625480637. The next prime is 625480649. The reversal of 625480641 is 146084526.

625480641 is a `hidden beast` number, since 6 + 2 + 5 + 4 + 8 + 0 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 611820225 = 3696^2 + 24735^2 .

It is not a de Polignac number, because 625480641 - 2² = 625480637 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 625480596 and 625480605.

It is not an unprimeable number, because it can be changed into a prime (625480649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569106 + ... + 570203.

It is an arithmetic number, because the mean of its divisors is an integer number (76523655).

Almost surely, 2^625480641 is an apocalyptic number.

625480641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

625480641 is a deficient number, since it is larger than the sum of its proper divisors (292803219).

625480641 is a wasteful number, since it uses less digits than its factorization.

625480641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139376 (or 1139373 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 625480641 is about 25009.6109725841. The cubic root of 625480641 is about 855.2070863932.

The spelling of 625480641 in words is "six hundred twenty-five million, four hundred eighty thousand, six hundred forty-one".