253671363 has 12 divisors (see below), whose sum is σ = 399724728. Its totient is φ = 153740160.

The previous prime is 253671359. The next prime is 253671391. The reversal of 253671363 is 363176352.

It is not a de Polignac number, because 253671363 - 2² = 253671359 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (253671343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281070 + ... + 1281267.

It is an arithmetic number, because the mean of its divisors is an integer number (33310394).

Almost surely, 2^253671363 is an apocalyptic number.

253671363 is a deficient number, since it is larger than the sum of its proper divisors (146053365).

253671363 is a wasteful number, since it uses less digits than its factorization.

253671363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562354 (or 2562351 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 253671363 is about 15927.0638537051. The cubic root of 253671363 is about 633.0293031664.

The spelling of 253671363 in words is "two hundred fifty-three million, six hundred seventy-one thousand, three hundred sixty-three".