253451402253 has 96 divisors (see below), whose sum is σ = 449945600000. Its totient is φ = 137041759008.

The previous prime is 253451402249. The next prime is 253451402311. The reversal of 253451402253 is 352204154352.

253451402253 is a `hidden beast` number, since 2 + 534 + 51 + 4 + 0 + 22 + 53 = 666.

It is not a de Polignac number, because 253451402253 - 2² = 253451402249 is a prime.

It is a super-3 number, since 3×253451402253³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253451402203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60938388 + ... + 60942546.

Almost surely, 2^253451402253 is an apocalyptic number.

It is an amenable number.

253451402253 is a deficient number, since it is larger than the sum of its proper divisors (196494197747).

253451402253 is a wasteful number, since it uses less digits than its factorization.

253451402253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 253451402253 in words is "two hundred fifty-three billion, four hundred fifty-one million, four hundred two thousand, two hundred fifty-three".