525772035252 has 72 divisors (see below), whose sum is σ = 1353384002880. Its totient is φ = 172054485120.

The previous prime is 525772035247. The next prime is 525772035263. The reversal of 525772035252 is 252530277525.

525772035252 is a `hidden beast` number, since 5 + 2 + 57 + 72 + 0 + 3 + 525 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 525772035198 and 525772035207.

It is a congruent number.

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, 1411552 + ... + 1744712.

It is an arithmetic number, because the mean of its divisors is an integer number (18797000040).

Almost surely, 2^525772035252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525772035252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676692001440).

525772035252 is an abundant number, since it is smaller than the sum of its proper divisors (827611967628).

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

525772035252 is a wasteful number, since it uses less digits than its factorization.

525772035252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333973 (or 333968 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 525772035252 in words is "five hundred twenty-five billion, seven hundred seventy-two million, thirty-five thousand, two hundred fifty-two".