625643276 has 6 divisors (see below), whose sum is σ = 1094875740. Its totient is φ = 312821636.

The previous prime is 625643269. The next prime is 625643281. The reversal of 625643276 is 672346526.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78205406 + ... + 78205413.

It is an arithmetic number, because the mean of its divisors is an integer number (182479290).

Almost surely, 2^625643276 is an apocalyptic number.

It is an amenable number.

625643276 is a deficient number, since it is larger than the sum of its proper divisors (469232464).

625643276 is a wasteful number, since it uses less digits than its factorization.

625643276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156410823 (or 156410821 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 625643276 is about 25012.8622112704. The cubic root of 625643276 is about 855.2812024900.

The spelling of 625643276 in words is "six hundred twenty-five million, six hundred forty-three thousand, two hundred seventy-six".