252442455 has 32 divisors (see below), whose sum is σ = 438896640. Its totient is φ = 123431040.

The previous prime is 252442451. The next prime is 252442459. The reversal of 252442455 is 554244252.

It is an interprime number because it is at equal distance from previous prime (252442451) and next prime (252442459).

It is not a de Polignac number, because 252442455 - 2² = 252442451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252442451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5452 + ... + 23121.

It is an arithmetic number, because the mean of its divisors is an integer number (13715520).

Almost surely, 2^252442455 is an apocalyptic number.

252442455 is a deficient number, since it is larger than the sum of its proper divisors (186454185).

252442455 is a wasteful number, since it uses less digits than its factorization.

252442455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28631.

The product of its digits is 64000, while the sum is 33.

The square root of 252442455 is about 15888.4377772014. The cubic root of 252442455 is about 632.0054135826.

The spelling of 252442455 in words is "two hundred fifty-two million, four hundred forty-two thousand, four hundred fifty-five".