315045407 has 2 divisors, whose sum is σ = 315045408. Its totient is φ = 315045406.

The previous prime is 315045397. The next prime is 315045431. The reversal of 315045407 is 704540513.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315045407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315045407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315045487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157522703 + 157522704.

It is an arithmetic number, because the mean of its divisors is an integer number (157522704).

Almost surely, 2^315045407 is an apocalyptic number.

315045407 is a deficient number, since it is larger than the sum of its proper divisors (1).

315045407 is an equidigital number, since it uses as much as digits as its factorization.

315045407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 315045407 is about 17749.5185005115. The cubic root of 315045407 is about 680.4419035072.

The spelling of 315045407 in words is "three hundred fifteen million, forty-five thousand, four hundred seven".