318485053 has 2 divisors, whose sum is σ = 318485054. Its totient is φ = 318485052.

The previous prime is 318485039. The next prime is 318485059. The reversal of 318485053 is 350584813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249229369 + 69255684 = 15787^2 + 8322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318485053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318485059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159242526 + 159242527.

It is an arithmetic number, because the mean of its divisors is an integer number (159242527).

Almost surely, 2^318485053 is an apocalyptic number.

It is an amenable number.

318485053 is a deficient number, since it is larger than the sum of its proper divisors (1).

318485053 is an equidigital number, since it uses as much as digits as its factorization.

318485053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 318485053 is about 17846.1495286798. The cubic root of 318485053 is about 682.9092862780.

The spelling of 318485053 in words is "three hundred eighteen million, four hundred eighty-five thousand, fifty-three".