316621255 has 8 divisors (see below), whose sum is σ = 388781712. Its totient is φ = 247406208.

The previous prime is 316621241. The next prime is 316621267. The reversal of 316621255 is 552126613.

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

It is a cyclic number.

It is not a de Polignac number, because 316621255 - 2⁵ = 316621223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736114 + ... + 736543.

It is an arithmetic number, because the mean of its divisors is an integer number (48597714).

Almost surely, 2^316621255 is an apocalyptic number.

316621255 is a deficient number, since it is larger than the sum of its proper divisors (72160457).

316621255 is a wasteful number, since it uses less digits than its factorization.

316621255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472705.

The product of its digits is 10800, while the sum is 31.

The square root of 316621255 is about 17793.8544166237. The cubic root of 316621255 is about 681.5745340364.

Adding to 316621255 its reverse (552126613), we get a palindrome (868747868).

The spelling of 316621255 in words is "three hundred sixteen million, six hundred twenty-one thousand, two hundred fifty-five".