625056881 has 8 divisors (see below), whose sum is σ = 627480000. Its totient is φ = 622639440.

The previous prime is 625056857. The next prime is 625056899. The reversal of 625056881 is 188650526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625056881 - 2¹⁴ = 625040497 is a prime.

It is a super-2 number, since 2×625056881² = 781392208970896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625056821) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 412916 + ... + 414426.

It is an arithmetic number, because the mean of its divisors is an integer number (78435000).

Almost surely, 2^625056881 is an apocalyptic number.

It is an amenable number.

625056881 is a deficient number, since it is larger than the sum of its proper divisors (2423119).

625056881 is a wasteful number, since it uses less digits than its factorization.

625056881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 625056881 is about 25001.1375941176. The cubic root of 625056881 is about 855.0139099227.

The spelling of 625056881 in words is "six hundred twenty-five million, fifty-six thousand, eight hundred eighty-one".