253079215 has 4 divisors (see below), whose sum is σ = 303695064. Its totient is φ = 202463368.

The previous prime is 253079213. The next prime is 253079219. The reversal of 253079215 is 512970352.

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 253079215 - 2¹ = 253079213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253079213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25307917 + ... + 25307926.

It is an arithmetic number, because the mean of its divisors is an integer number (75923766).

Almost surely, 2^253079215 is an apocalyptic number.

253079215 is a deficient number, since it is larger than the sum of its proper divisors (50615849).

253079215 is an equidigital number, since it uses as much as digits as its factorization.

253079215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615848.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 253079215 is about 15908.4636278932. The cubic root of 253079215 is about 632.5363568596.

The spelling of 253079215 in words is "two hundred fifty-three million, seventy-nine thousand, two hundred fifteen".