253311453 has 6 divisors (see below), whose sum is σ = 365894334. Its totient is φ = 168874296.

The previous prime is 253311451. The next prime is 253311463. The reversal of 253311453 is 354113352.

It can be written as a sum of positive squares in only one way, i.e., 244203129 + 9108324 = 15627^2 + 3018^2 .

It is not a de Polignac number, because 253311453 - 2¹ = 253311451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253311451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14072850 + ... + 14072867.

It is an arithmetic number, because the mean of its divisors is an integer number (60982389).

Almost surely, 2^253311453 is an apocalyptic number.

It is an amenable number.

253311453 is a deficient number, since it is larger than the sum of its proper divisors (112582881).

253311453 is a wasteful number, since it uses less digits than its factorization.

253311453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28145723 (or 28145720 counting only the distinct ones).

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

The square root of 253311453 is about 15915.7611505074. The cubic root of 253311453 is about 632.7297799181.

The spelling of 253311453 in words is "two hundred fifty-three million, three hundred eleven thousand, four hundred fifty-three".