252581463 has 8 divisors (see below), whose sum is σ = 374194800. Its totient is φ = 168387624.

The previous prime is 252581447. The next prime is 252581467. The reversal of 252581463 is 364185252.

It is not a de Polignac number, because 252581463 - 2⁴ = 252581447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252581467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677408 + ... + 4677461.

It is an arithmetic number, because the mean of its divisors is an integer number (46774350).

Almost surely, 2^252581463 is an apocalyptic number.

252581463 is a deficient number, since it is larger than the sum of its proper divisors (121613337).

252581463 is an equidigital number, since it uses as much as digits as its factorization.

252581463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354878 (or 9354872 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 252581463 is about 15892.8116769815. The cubic root of 252581463 is about 632.1213973591.

The spelling of 252581463 in words is "two hundred fifty-two million, five hundred eighty-one thousand, four hundred sixty-three".