253311297 has 4 divisors (see below), whose sum is σ = 337748400. Its totient is φ = 168874196.

The previous prime is 253311277. The next prime is 253311301. The reversal of 253311297 is 792113352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253311297 - 2¹⁴ = 253294913 is a prime.

It is a super-2 number, since 2×253311297² = 128333226375644418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253311277) 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 3 ways as a sum of consecutive naturals, for example, 42218547 + ... + 42218552.

It is an arithmetic number, because the mean of its divisors is an integer number (84437100).

Almost surely, 2^253311297 is an apocalyptic number.

It is an amenable number.

253311297 is a deficient number, since it is larger than the sum of its proper divisors (84437103).

253311297 is an equidigital number, since it uses as much as digits as its factorization.

253311297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84437102.

The product of its digits is 11340, while the sum is 33.

The square root of 253311297 is about 15915.7562497043. The cubic root of 253311297 is about 632.7296500308.

The spelling of 253311297 in words is "two hundred fifty-three million, three hundred eleven thousand, two hundred ninety-seven".