315250933 has 2 divisors, whose sum is σ = 315250934. Its totient is φ = 315250932.

The previous prime is 315250919. The next prime is 315250937. The reversal of 315250933 is 339052513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250335684 + 64915249 = 15822^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 315250933 - 2²¹ = 313153781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315250895 and 315250904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315250937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157625466 + 157625467.

It is an arithmetic number, because the mean of its divisors is an integer number (157625467).

Almost surely, 2^315250933 is an apocalyptic number.

It is an amenable number.

315250933 is a deficient number, since it is larger than the sum of its proper divisors (1).

315250933 is an equidigital number, since it uses as much as digits as its factorization.

315250933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 315250933 is about 17755.3071784185. The cubic root of 315250933 is about 680.5898378468.

The spelling of 315250933 in words is "three hundred fifteen million, two hundred fifty thousand, nine hundred thirty-three".