253922915 has 4 divisors (see below), whose sum is σ = 304707504. Its totient is φ = 203138328.

The previous prime is 253922899. The next prime is 253922941. The reversal of 253922915 is 519229352.

253922915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253922915 - 2⁴ = 253922899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25392287 + ... + 25392296.

It is an arithmetic number, because the mean of its divisors is an integer number (76176876).

Almost surely, 2^253922915 is an apocalyptic number.

253922915 is a deficient number, since it is larger than the sum of its proper divisors (50784589).

253922915 is an equidigital number, since it uses as much as digits as its factorization.

253922915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50784588.

The product of its digits is 48600, while the sum is 38.

The square root of 253922915 is about 15934.9588954600. The cubic root of 253922915 is about 633.2384808703.

The spelling of 253922915 in words is "two hundred fifty-three million, nine hundred twenty-two thousand, nine hundred fifteen".