313695497 has 2 divisors, whose sum is σ = 313695498. Its totient is φ = 313695496.

The previous prime is 313695493. The next prime is 313695517. The reversal of 313695497 is 794596313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313254601 + 440896 = 17699^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 313695497 - 2² = 313695493 is a prime.

It is not a weakly prime, because it can be changed into another prime (313695493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156847748 + 156847749.

It is an arithmetic number, because the mean of its divisors is an integer number (156847749).

Almost surely, 2^313695497 is an apocalyptic number.

It is an amenable number.

313695497 is a deficient number, since it is larger than the sum of its proper divisors (1).

313695497 is an equidigital number, since it uses as much as digits as its factorization.

313695497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 313695497 is about 17711.4510133981. The cubic root of 313695497 is about 679.4686571558.

The spelling of 313695497 in words is "three hundred thirteen million, six hundred ninety-five thousand, four hundred ninety-seven".