316577249 has 4 divisors (see below), whose sum is σ = 317902080. Its totient is φ = 315252420.

The previous prime is 316577243. The next prime is 316577263. The reversal of 316577249 is 942775613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316577249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316577243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662057 + ... + 662534.

It is an arithmetic number, because the mean of its divisors is an integer number (79475520).

Almost surely, 2^316577249 is an apocalyptic number.

It is an amenable number.

316577249 is a deficient number, since it is larger than the sum of its proper divisors (1324831).

316577249 is a wasteful number, since it uses less digits than its factorization.

316577249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324830.

The product of its digits is 317520, while the sum is 44.

The square root of 316577249 is about 17792.6178231310. The cubic root of 316577249 is about 681.5429560779.

The spelling of 316577249 in words is "three hundred sixteen million, five hundred seventy-seven thousand, two hundred forty-nine".