625403097 has 24 divisors (see below), whose sum is σ = 1028334528. Its totient is φ = 362551200.

The previous prime is 625403047. The next prime is 625403099. The reversal of 625403097 is 790304526.

625403097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 625403097 - 2¹² = 625399001 is a prime.

It is a super-2 number, since 2×625403097² = 782258067474382818, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (625403099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135054 + ... + 139607.

It is an arithmetic number, because the mean of its divisors is an integer number (42847272).

Almost surely, 2^625403097 is an apocalyptic number.

It is an amenable number.

625403097 is a deficient number, since it is larger than the sum of its proper divisors (402931431).

625403097 is a wasteful number, since it uses less digits than its factorization.

625403097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274701 (or 274698 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 625403097 is about 25008.0606405215. The cubic root of 625403097 is about 855.1717434826.

The spelling of 625403097 in words is "six hundred twenty-five million, four hundred three thousand, ninety-seven".