525381075661652 has 36 divisors (see below), whose sum is σ = 1079928668385504. Its totient is φ = 219077823039840.

The previous prime is 525381075661643. The next prime is 525381075661661. The reversal of 525381075661652 is 256166570183525.

It is an interprime number because it is at equal distance from previous prime (525381075661643) and next prime (525381075661661).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6852996674 + ... + 6853073337.

It is an arithmetic number, because the mean of its divisors is an integer number (29998018566264).

Almost surely, 2^{525381075661652} is an apocalyptic number.

It is an amenable number.

525381075661652 is an abundant number, since it is smaller than the sum of its proper divisors (554547592723852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525381075661652 is a wasteful number, since it uses less digits than its factorization.

525381075661652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706070096 (or 13706070057 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 62.

The spelling of 525381075661652 in words is "five hundred twenty-five trillion, three hundred eighty-one billion, seventy-five million, six hundred sixty-one thousand, six hundred fifty-two".