525075782520 has 64 divisors (see below), whose sum is σ = 1608742840320. Its totient is φ = 137041053824.

The previous prime is 525075782507. The next prime is 525075782521. The reversal of 525075782520 is 25287570525.

525075782520 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 525075782520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525075782521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46543632 + ... + 46554911.

It is an arithmetic number, because the mean of its divisors is an integer number (25136606880).

Almost surely, 2^525075782520 is an apocalyptic number.

It is an amenable number.

525075782520 is an abundant number, since it is smaller than the sum of its proper divisors (1083667057800).

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

525075782520 is a wasteful number, since it uses less digits than its factorization.

525075782520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93098604 (or 93098600 counting only the distinct ones).

The product of its (nonzero) digits is 1960000, while the sum is 48.

The spelling of 525075782520 in words is "five hundred twenty-five billion, seventy-five million, seven hundred eighty-two thousand, five hundred twenty".