253015251 has 8 divisors (see below), whose sum is σ = 342884304. Its totient is φ = 165911520.

The previous prime is 253015207. The next prime is 253015253. The reversal of 253015251 is 152510352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253015251 - 2¹⁰ = 253014227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253015253) 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, 691116 + ... + 691481.

It is an arithmetic number, because the mean of its divisors is an integer number (42860538).

Almost surely, 2^253015251 is an apocalyptic number.

253015251 is a deficient number, since it is larger than the sum of its proper divisors (89869053).

253015251 is a wasteful number, since it uses less digits than its factorization.

253015251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382661.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 253015251 is about 15906.4531244398. The cubic root of 253015251 is about 632.4830626574.

The spelling of 253015251 in words is "two hundred fifty-three million, fifteen thousand, two hundred fifty-one".