523126621325 has 96 divisors (see below), whose sum is σ = 815226964992. Its totient is φ = 323497152000.

The previous prime is 523126621301. The next prime is 523126621453.

523126621325 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 523126621325 - 2¹⁴ = 523126604941 is a prime.

It is a super-2 number, since 2×523126621325² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 214307105 + ... + 214309545.

It is an arithmetic number, because the mean of its divisors is an integer number (8491947552).

Almost surely, 2^523126621325 is an apocalyptic number.

523126621325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523126621325 is a deficient number, since it is larger than the sum of its proper divisors (292100343667).

523126621325 is a wasteful number, since it uses less digits than its factorization.

523126621325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3310 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The spelling of 523126621325 in words is "five hundred twenty-three billion, one hundred twenty-six million, six hundred twenty-one thousand, three hundred twenty-five".