316403253 has 48 divisors (see below), whose sum is σ = 499262400. Its totient is φ = 199946880.

The previous prime is 316403251. The next prime is 316403291. The reversal of 316403253 is 352304613.

It is a happy number.

316403253 is a `hidden beast` number, since 3 + 1 + 6 + 403 + 253 = 666.

It is not a de Polignac number, because 316403253 - 2¹ = 316403251 is a prime.

It is a super-2 number, since 2×316403253² = 200222037017964018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316403251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415393 + ... + 416153.

It is an arithmetic number, because the mean of its divisors is an integer number (10401300).

Almost surely, 2^316403253 is an apocalyptic number.

It is an amenable number.

316403253 is a deficient number, since it is larger than the sum of its proper divisors (182859147).

316403253 is an equidigital number, since it uses as much as digits as its factorization.

316403253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 316403253 is about 17787.7275951708. The cubic root of 316403253 is about 681.4180708345.

Adding to 316403253 its reverse (352304613), we get a palindrome (668707866).

The spelling of 316403253 in words is "three hundred sixteen million, four hundred three thousand, two hundred fifty-three".