316254985 has 4 divisors (see below), whose sum is σ = 379505988. Its totient is φ = 253003984.

The previous prime is 316254971. The next prime is 316254997. The reversal of 316254985 is 589452613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589452613 = 41 ⋅14376893.

It can be written as a sum of positive squares in 2 ways, for example, as 96118416 + 220136569 = 9804^2 + 14837^2 .

It is a cyclic number.

It is not a de Polignac number, because 316254985 - 2²⁷ = 182037257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31625494 + ... + 31625503.

It is an arithmetic number, because the mean of its divisors is an integer number (94876497).

Almost surely, 2^316254985 is an apocalyptic number.

It is an amenable number.

316254985 is a deficient number, since it is larger than the sum of its proper divisors (63251003).

316254985 is an equidigital number, since it uses as much as digits as its factorization.

316254985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63251002.

The product of its digits is 259200, while the sum is 43.

The square root of 316254985 is about 17783.5594018745. The cubic root of 316254985 is about 681.3116156710.

The spelling of 316254985 in words is "three hundred sixteen million, two hundred fifty-four thousand, nine hundred eighty-five".