525351340541521 has 32 divisors (see below), whose sum is σ = 599556868485120. Its totient is φ = 456790162752000.

The previous prime is 525351340541429. The next prime is 525351340541539. The reversal of 525351340541521 is 125145043153525.

It is a cyclic number.

It is not a de Polignac number, because 525351340541521 - 2³⁷ = 525213901588049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525351340511521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068621256 + ... + 1069112758.

It is an arithmetic number, because the mean of its divisors is an integer number (18736152140160).

Almost surely, 2^{525351340541521} is an apocalyptic number.

It is an amenable number.

525351340541521 is a deficient number, since it is larger than the sum of its proper divisors (74205527943599).

525351340541521 is a wasteful number, since it uses less digits than its factorization.

525351340541521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560737.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 525351340541521 in words is "five hundred twenty-five trillion, three hundred fifty-one billion, three hundred forty million, five hundred forty-one thousand, five hundred twenty-one".