252455441 has 4 divisors (see below), whose sum is σ = 288520512. Its totient is φ = 216390372.

The previous prime is 252455431. The next prime is 252455449. The reversal of 252455441 is 144554252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252455441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252455398 and 252455407.

It is not an unprimeable number, because it can be changed into a prime (252455449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18032525 + ... + 18032538.

It is an arithmetic number, because the mean of its divisors is an integer number (72130128).

Almost surely, 2^252455441 is an apocalyptic number.

It is an amenable number.

252455441 is a deficient number, since it is larger than the sum of its proper divisors (36065071).

252455441 is an equidigital number, since it uses as much as digits as its factorization.

252455441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36065070.

The product of its digits is 32000, while the sum is 32.

The square root of 252455441 is about 15888.8464338982. The cubic root of 252455441 is about 632.0162504834.

The spelling of 252455441 in words is "two hundred fifty-two million, four hundred fifty-five thousand, four hundred forty-one".