315469933 has 2 divisors, whose sum is σ = 315469934. Its totient is φ = 315469932.

The previous prime is 315469853. The next prime is 315469937. The reversal of 315469933 is 339964513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310393924 + 5076009 = 17618^2 + 2253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315469933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315469933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315469937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157734966 + 157734967.

It is an arithmetic number, because the mean of its divisors is an integer number (157734967).

Almost surely, 2^315469933 is an apocalyptic number.

It is an amenable number.

315469933 is a deficient number, since it is larger than the sum of its proper divisors (1).

315469933 is an equidigital number, since it uses as much as digits as its factorization.

315469933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 315469933 is about 17761.4732778562. The cubic root of 315469933 is about 680.7473998164.

The spelling of 315469933 in words is "three hundred fifteen million, four hundred sixty-nine thousand, nine hundred thirty-three".