625413955 has 4 divisors (see below), whose sum is σ = 750496752. Its totient is φ = 500331160.

The previous prime is 625413911. The next prime is 625413967. The reversal of 625413955 is 559314526.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 625413955 - 2⁷ = 625413827 is a prime.

It is a super-2 number, since 2×625413955² = 782285230217484050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62541391 + ... + 62541400.

It is an arithmetic number, because the mean of its divisors is an integer number (187624188).

Almost surely, 2^625413955 is an apocalyptic number.

625413955 is a deficient number, since it is larger than the sum of its proper divisors (125082797).

625413955 is a wasteful number, since it uses less digits than its factorization.

625413955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125082796.

The product of its digits is 162000, while the sum is 40.

The square root of 625413955 is about 25008.2777295839. The cubic root of 625413955 is about 855.1766925046.

The spelling of 625413955 in words is "six hundred twenty-five million, four hundred thirteen thousand, nine hundred fifty-five".