252756453 has 8 divisors (see below), whose sum is σ = 351661248. Its totient is φ = 161177984.

The previous prime is 252756443. The next prime is 252756457. The reversal of 252756453 is 354657252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252756453 - 2⁵ = 252756421 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1831500 + ... + 1831637.

It is an arithmetic number, because the mean of its divisors is an integer number (43957656).

Almost surely, 2^252756453 is an apocalyptic number.

252756453 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

252756453 is a deficient number, since it is larger than the sum of its proper divisors (98904795).

252756453 is a wasteful number, since it uses less digits than its factorization.

252756453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663163.

The product of its digits is 252000, while the sum is 39.

The square root of 252756453 is about 15898.3160429022. The cubic root of 252756453 is about 632.2673428650.

The spelling of 252756453 in words is "two hundred fifty-two million, seven hundred fifty-six thousand, four hundred fifty-three".