252256536 has 48 divisors (see below), whose sum is σ = 780795600. Its totient is φ = 72073152.

The previous prime is 252256531. The next prime is 252256549. The reversal of 252256536 is 635652252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 252256536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252256531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249751 + ... + 250758.

It is an arithmetic number, because the mean of its divisors is an integer number (16266575).

Almost surely, 2^252256536 is an apocalyptic number.

It is an amenable number.

252256536 is an abundant number, since it is smaller than the sum of its proper divisors (528539064).

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

252256536 is a wasteful number, since it uses less digits than its factorization.

252256536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500528 (or 500521 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 252256536 is about 15882.5859355459. The cubic root of 252256536 is about 631.8502222114.

The spelling of 252256536 in words is "two hundred fifty-two million, two hundred fifty-six thousand, five hundred thirty-six".