252746456 has 8 divisors (see below), whose sum is σ = 473899620. Its totient is φ = 126373224.

The previous prime is 252746449. The next prime is 252746467. The reversal of 252746456 is 654647252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent 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 as a sum of consecutive naturals, namely, 15796646 + ... + 15796661.

Almost surely, 2^252746456 is an apocalyptic number.

It is an amenable number.

252746456 is a deficient number, since it is larger than the sum of its proper divisors (221153164).

252746456 is a wasteful number, since it uses less digits than its factorization.

252746456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31593313 (or 31593309 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 252746456 is about 15898.0016354258. The cubic root of 252746456 is about 632.2590069619.

The spelling of 252746456 in words is "two hundred fifty-two million, seven hundred forty-six thousand, four hundred fifty-six".