315475141 has 2 divisors, whose sum is σ = 315475142. Its totient is φ = 315475140.

The previous prime is 315475109. The next prime is 315475157. The reversal of 315475141 is 141574513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287438116 + 28037025 = 16954^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 315475141 - 2⁵ = 315475109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315475241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157737570 + 157737571.

It is an arithmetic number, because the mean of its divisors is an integer number (157737571).

Almost surely, 2^315475141 is an apocalyptic number.

It is an amenable number.

315475141 is a deficient number, since it is larger than the sum of its proper divisors (1).

315475141 is an equidigital number, since it uses as much as digits as its factorization.

315475141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 315475141 is about 17761.6198867108. The cubic root of 315475141 is about 680.7511458817.

The spelling of 315475141 in words is "three hundred fifteen million, four hundred seventy-five thousand, one hundred forty-one".