253415315 has 4 divisors (see below), whose sum is σ = 304098384. Its totient is φ = 202732248.

The previous prime is 253415291. The next prime is 253415333. The reversal of 253415315 is 513514352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253415315 - 2⁶ = 253415251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25341527 + ... + 25341536.

It is an arithmetic number, because the mean of its divisors is an integer number (76024596).

Almost surely, 2^253415315 is an apocalyptic number.

253415315 is a deficient number, since it is larger than the sum of its proper divisors (50683069).

253415315 is an equidigital number, since it uses as much as digits as its factorization.

253415315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50683068.

The product of its digits is 9000, while the sum is 29.

The square root of 253415315 is about 15919.0236823745. The cubic root of 253415315 is about 632.8162447556.

Adding to 253415315 its reverse (513514352), we get a palindrome (766929667).

The spelling of 253415315 in words is "two hundred fifty-three million, four hundred fifteen thousand, three hundred fifteen".