525020052 has 12 divisors (see below), whose sum is σ = 1225046816. Its totient is φ = 175006680.

The previous prime is 525020039. The next prime is 525020053. The reversal of 525020052 is 250020525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525020053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21875824 + ... + 21875847.

Almost surely, 2^525020052 is an apocalyptic number.

It is an amenable number.

525020052 is an abundant number, since it is smaller than the sum of its proper divisors (700026764).

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

525020052 is a wasteful number, since it uses less digits than its factorization.

525020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43751678 (or 43751676 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 525020052 is about 22913.3160411146. The cubic root of 525020052 is about 806.7245935073.

Adding to 525020052 its reverse (250020525), we get a palindrome (775040577).

The spelling of 525020052 in words is "five hundred twenty-five million, twenty thousand, fifty-two".