316298449 has 2 divisors, whose sum is σ = 316298450. Its totient is φ = 316298448.

The previous prime is 316298443. The next prime is 316298503. The reversal of 316298449 is 944892613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245486224 + 70812225 = 15668^2 + 8415^2 .

It is a cyclic number.

It is not a de Polignac number, because 316298449 - 2³ = 316298441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316298399 and 316298408.

It is not a weakly prime, because it can be changed into another prime (316298441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158149224 + 158149225.

It is an arithmetic number, because the mean of its divisors is an integer number (158149225).

Almost surely, 2^316298449 is an apocalyptic number.

It is an amenable number.

316298449 is a deficient number, since it is larger than the sum of its proper divisors (1).

316298449 is an equidigital number, since it uses as much as digits as its factorization.

316298449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 316298449 is about 17784.7813874672. The cubic root of 316298449 is about 681.3428259001.

The spelling of 316298449 in words is "three hundred sixteen million, two hundred ninety-eight thousand, four hundred forty-nine".