252231001536 has 28 divisors (see below), whose sum is σ = 667361192072. Its totient is φ = 84077000448.

The previous prime is 252231001493. The next prime is 252231001543. The reversal of 252231001536 is 635100132252.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656851375 + ... + 656851758.

Almost surely, 2^252231001536 is an apocalyptic number.

It is an amenable number.

252231001536 is an abundant number, since it is smaller than the sum of its proper divisors (415130190536).

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

252231001536 is a wasteful number, since it uses less digits than its factorization.

252231001536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703148 (or 1313703138 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 252231001536 its reverse (635100132252), we get a palindrome (887331133788).

The spelling of 252231001536 in words is "two hundred fifty-two billion, two hundred thirty-one million, one thousand, five hundred thirty-six".