315604433 has 2 divisors, whose sum is σ = 315604434. Its totient is φ = 315604432.

The previous prime is 315604427. The next prime is 315604493. The reversal of 315604433 is 334406513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281299984 + 34304449 = 16772^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 315604433 - 2⁴ = 315604417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315604396 and 315604405.

It is not a weakly prime, because it can be changed into another prime (315604493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157802216 + 157802217.

It is an arithmetic number, because the mean of its divisors is an integer number (157802217).

Almost surely, 2^315604433 is an apocalyptic number.

It is an amenable number.

315604433 is a deficient number, since it is larger than the sum of its proper divisors (1).

315604433 is an equidigital number, since it uses as much as digits as its factorization.

315604433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 315604433 is about 17765.2591593818. The cubic root of 315604433 is about 680.8441311861.

The spelling of 315604433 in words is "three hundred fifteen million, six hundred four thousand, four hundred thirty-three".