252545536 has 40 divisors (see below), whose sum is σ = 516377664. Its totient is φ = 123325440.

The previous prime is 252545533. The next prime is 252545563. The reversal of 252545536 is 635545252.

It is a junction number, because it is equal to n+sod(n) for n = 252545495 and 252545504.

It is not an unprimeable number, because it can be changed into a prime (252545533) 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, 16281 + ... + 27751.

Almost surely, 2^252545536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252545536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258188832).

252545536 is an abundant number, since it is smaller than the sum of its proper divisors (263832128).

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

252545536 is an equidigital number, since it uses as much as digits as its factorization.

252545536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532 (or 11516 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

The square root of 252545536 is about 15891.6813459118. The cubic root of 252545536 is about 632.0914251117.

The spelling of 252545536 in words is "two hundred fifty-two million, five hundred forty-five thousand, five hundred thirty-six".