316369457 has 4 divisors (see below), whose sum is σ = 319924260. Its totient is φ = 312814656.

The previous prime is 316369453. The next prime is 316369519. The reversal of 316369457 is 754963613.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171191056 + 145178401 = 13084^2 + 12049^2 .

It is a cyclic number.

It is not a de Polignac number, because 316369457 - 2² = 316369453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316369451) 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, 1777268 + ... + 1777445.

It is an arithmetic number, because the mean of its divisors is an integer number (79981065).

Almost surely, 2^316369457 is an apocalyptic number.

It is an amenable number.

316369457 is a deficient number, since it is larger than the sum of its proper divisors (3554803).

316369457 is an equidigital number, since it uses as much as digits as its factorization.

316369457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554802.

The product of its digits is 408240, while the sum is 44.

The square root of 316369457 is about 17786.7775889845. Note that the first 3 decimals coincide. The cubic root of 316369457 is about 681.3938085206.

The spelling of 316369457 in words is "three hundred sixteen million, three hundred sixty-nine thousand, four hundred fifty-seven".