253451313 has 6 divisors (see below), whose sum is σ = 366096354. Its totient is φ = 168967536.

The previous prime is 253451311. The next prime is 253451339. The reversal of 253451313 is 313154352.

253451313 is a `hidden beast` number, since 2 + 5 + 345 + 1 + 313 = 666.

It can be written as a sum of positive squares in only one way, i.e., 227165184 + 26286129 = 15072^2 + 5127^2 .

It is not a de Polignac number, because 253451313 - 2¹ = 253451311 is a prime.

It is a super-2 number, since 2×253451313² = 128475136122847938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253451311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14080620 + ... + 14080637.

It is an arithmetic number, because the mean of its divisors is an integer number (61016059).

Almost surely, 2^253451313 is an apocalyptic number.

It is an amenable number.

253451313 is a deficient number, since it is larger than the sum of its proper divisors (112645041).

253451313 is a wasteful number, since it uses less digits than its factorization.

253451313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161263 (or 28161260 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 253451313 is about 15920.1543020160. The cubic root of 253451313 is about 632.8462074811.

The spelling of 253451313 in words is "two hundred fifty-three million, four hundred fifty-one thousand, three hundred thirteen".