315628633 has 2 divisors, whose sum is σ = 315628634. Its totient is φ = 315628632.

The previous prime is 315628571. The next prime is 315628657. The reversal of 315628633 is 336826513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304258249 + 11370384 = 17443^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 315628633 - 2⁹ = 315628121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315628592 and 315628601.

It is not a weakly prime, because it can be changed into another prime (315628673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157814316 + 157814317.

It is an arithmetic number, because the mean of its divisors is an integer number (157814317).

Almost surely, 2^315628633 is an apocalyptic number.

It is an amenable number.

315628633 is a deficient number, since it is larger than the sum of its proper divisors (1).

315628633 is an equidigital number, since it uses as much as digits as its factorization.

315628633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 315628633 is about 17765.9402509408. The cubic root of 315628633 is about 680.8615327233.

The spelling of 315628633 in words is "three hundred fifteen million, six hundred twenty-eight thousand, six hundred thirty-three".