316421253 has 12 divisors (see below), whose sum is σ = 461491680. Its totient is φ = 208898856.

The previous prime is 316421251. The next prime is 316421267. The reversal of 316421253 is 352124613.

316421253 is a `hidden beast` number, since 3 + 1 + 642 + 12 + 5 + 3 = 666.

It is not a de Polignac number, because 316421253 - 2¹ = 316421251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316421251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169743 + ... + 171596.

It is an arithmetic number, because the mean of its divisors is an integer number (38457640).

Almost surely, 2^316421253 is an apocalyptic number.

It is an amenable number.

316421253 is a deficient number, since it is larger than the sum of its proper divisors (145070427).

316421253 is a wasteful number, since it uses less digits than its factorization.

316421253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341448 (or 341445 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 316421253 is about 17788.2335547968. The cubic root of 316421253 is about 681.4309924175.

Adding to 316421253 its reverse (352124613), we get a palindrome (668545866).

The spelling of 316421253 in words is "three hundred sixteen million, four hundred twenty-one thousand, two hundred fifty-three".