525020236 has 48 divisors (see below), whose sum is σ = 1049305600. Its totient is φ = 227852352.

The previous prime is 525020233. The next prime is 525020257. The reversal of 525020236 is 632020525.

It is a self number, because there is not a number n which added to its sum of digits gives 525020236.

It is not an unprimeable number, because it can be changed into a prime (525020233) 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, 135421 + ... + 139243.

Almost surely, 2^525020236 is an apocalyptic number.

It is an amenable number.

525020236 is a deficient number, since it is larger than the sum of its proper divisors (524285364).

525020236 is a wasteful number, since it uses less digits than its factorization.

525020236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 525020236 is about 22913.3200562468. The cubic root of 525020236 is about 806.7246877496.

The spelling of 525020236 in words is "five hundred twenty-five million, twenty thousand, two hundred thirty-six".