317145053 has 2 divisors, whose sum is σ = 317145054. Its totient is φ = 317145052.

The previous prime is 317145007. The next prime is 317145061. The reversal of 317145053 is 350541713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257345764 + 59799289 = 16042^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 317145053 - 2²² = 312950749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317144053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158572526 + 158572527.

It is an arithmetic number, because the mean of its divisors is an integer number (158572527).

Almost surely, 2^317145053 is an apocalyptic number.

It is an amenable number.

317145053 is a deficient number, since it is larger than the sum of its proper divisors (1).

317145053 is an equidigital number, since it uses as much as digits as its factorization.

317145053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 317145053 is about 17808.5668429551. The cubic root of 317145053 is about 681.9501781041.

Adding to 317145053 its reverse (350541713), we get a palindrome (667686766).

The spelling of 317145053 in words is "three hundred seventeen million, one hundred forty-five thousand, fifty-three".