625940590 has 32 divisors (see below), whose sum is σ = 1230907104. Its totient is φ = 227283840.

The previous prime is 625940569. The next prime is 625940591. The reversal of 625940590 is 95049526.

625940590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625940591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79512 + ... + 87028.

It is an arithmetic number, because the mean of its divisors is an integer number (38465847).

Almost surely, 2^625940590 is an apocalyptic number.

625940590 is a deficient number, since it is larger than the sum of its proper divisors (604966514).

625940590 is a wasteful number, since it uses less digits than its factorization.

625940590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 625940590 is about 25018.8047276444. The cubic root of 625940590 is about 855.4166613666.

The spelling of 625940590 in words is "six hundred twenty-five million, nine hundred forty thousand, five hundred ninety".