1315175401 has 2 divisors, whose sum is σ = 1315175402. Its totient is φ = 1315175400.

The previous prime is 1315175371. The next prime is 1315175419. The reversal of 1315175401 is 1045715131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314135001 + 1040400 = 36251^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315175401 - 2⁷ = 1315175273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315175401.

It is not a weakly prime, because it can be changed into another prime (1315175441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657587700 + 657587701.

It is an arithmetic number, because the mean of its divisors is an integer number (657587701).

Almost surely, 2^1315175401 is an apocalyptic number.

It is an amenable number.

1315175401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315175401 is an equidigital number, since it uses as much as digits as its factorization.

1315175401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1315175401 is about 36265.3471098789. The cubic root of 1315175401 is about 1095.6232146606.

The spelling of 1315175401 in words is "one billion, three hundred fifteen million, one hundred seventy-five thousand, four hundred one".