252455513 has 8 divisors (see below), whose sum is σ = 257299200. Its totient is φ = 247630768.

The previous prime is 252455507. The next prime is 252455519. The reversal of 252455513 is 315554252.

It is an interprime number because it is at equal distance from previous prime (252455507) and next prime (252455519).

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 252455513 - 2⁶ = 252455449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252455513.

It is not an unprimeable number, because it can be changed into a prime (252455519) 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, 23795 + ... + 32727.

It is an arithmetic number, because the mean of its divisors is an integer number (32162400).

Almost surely, 2^252455513 is an apocalyptic number.

It is an amenable number.

252455513 is a deficient number, since it is larger than the sum of its proper divisors (4843687).

252455513 is an equidigital number, since it uses as much as digits as its factorization.

252455513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471.

The product of its digits is 30000, while the sum is 32.

The square root of 252455513 is about 15888.8486996384. The cubic root of 252455513 is about 632.0163105669.

The spelling of 252455513 in words is "two hundred fifty-two million, four hundred fifty-five thousand, five hundred thirteen".