252730156 has 12 divisors (see below), whose sum is σ = 505460368. Its totient is φ = 108312912.

The previous prime is 252730147. The next prime is 252730169. The reversal of 252730156 is 651037252.

252730156 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4513011 + ... + 4513066.

Almost surely, 2^252730156 is an apocalyptic number.

It is an amenable number.

252730156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252730156 is a wasteful number, since it uses less digits than its factorization.

252730156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026088 (or 9026086 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 252730156 is about 15897.4889841132. The cubic root of 252730156 is about 632.2454148908.

The spelling of 252730156 in words is "two hundred fifty-two million, seven hundred thirty thousand, one hundred fifty-six".