253463631 has 8 divisors (see below), whose sum is σ = 338217264. Its totient is φ = 168842880.

The previous prime is 253463627. The next prime is 253463663. The reversal of 253463631 is 136364352.

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

It is not a de Polignac number, because 253463631 - 2² = 253463627 is a prime.

It is a super-2 number, since 2×253463631² = 128487624479408322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253463592 and 253463601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253463131) 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, 28680 + ... + 36461.

It is an arithmetic number, because the mean of its divisors is an integer number (42277158).

Almost surely, 2^253463631 is an apocalyptic number.

253463631 is a deficient number, since it is larger than the sum of its proper divisors (84753633).

253463631 is a wasteful number, since it uses less digits than its factorization.

253463631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66441.

The product of its digits is 38880, while the sum is 33.

The square root of 253463631 is about 15920.5411654253. The cubic root of 253463631 is about 632.8564596452.

The spelling of 253463631 in words is "two hundred fifty-three million, four hundred sixty-three thousand, six hundred thirty-one".