528631464136825 has 24 divisors (see below), whose sum is σ = 749178800237952. Its totient is φ = 362474422590720.

The previous prime is 528631464136817. The next prime is 528631464136837.

528631464136825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528631464136825 - 2³ = 528631464136817 is a prime.

It is a super-2 number, since 2×528631464136825² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61471189 + ... + 69541138.

It is an arithmetic number, because the mean of its divisors is an integer number (31215783343248).

Almost surely, 2^{528631464136825} is an apocalyptic number.

It is an amenable number.

528631464136825 is a deficient number, since it is larger than the sum of its proper divisors (220547336101127).

528631464136825 is a wasteful number, since it uses less digits than its factorization.

528631464136825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131035401 (or 131035396 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 64.

The spelling of 528631464136825 in words is "five hundred twenty-eight trillion, six hundred thirty-one billion, four hundred sixty-four million, one hundred thirty-six thousand, eight hundred twenty-five".