252756454 has 12 divisors (see below), whose sum is σ = 391762332. Its totient is φ = 122300580.

The previous prime is 252756443. The next prime is 252756457. The reversal of 252756454 is 454657252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252756457) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 63832 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (32646861).

Almost surely, 2^252756454 is an apocalyptic number.

252756454 is a deficient number, since it is larger than the sum of its proper divisors (139005878).

252756454 is a wasteful number, since it uses less digits than its factorization.

252756454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131571 (or 131540 counting only the distinct ones).

The product of its digits is 336000, while the sum is 40.

The square root of 252756454 is about 15898.3160743520. The cubic root of 252756454 is about 632.2673436989.

The spelling of 252756454 in words is "two hundred fifty-two million, seven hundred fifty-six thousand, four hundred fifty-four".