525420036 has 18 divisors (see below), whose sum is σ = 1328145182. Its totient is φ = 175140000.

The previous prime is 525420029. The next prime is 525420047. The reversal of 525420036 is 630024525.

It can be written as a sum of positive squares in only one way, i.e., 525326400 + 93636 = 22920^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 525419991 and 525420009.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7297465 + ... + 7297536.

Almost surely, 2^525420036 is an apocalyptic number.

It is an amenable number.

525420036 is an abundant number, since it is smaller than the sum of its proper divisors (802725146).

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

525420036 is a wasteful number, since it uses less digits than its factorization.

525420036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595011 (or 14595006 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 525420036 is about 22922.0425791420. The cubic root of 525420036 is about 806.9294079202.

The spelling of 525420036 in words is "five hundred twenty-five million, four hundred twenty thousand, thirty-six".