315033049 has 2 divisors, whose sum is σ = 315033050. Its totient is φ = 315033048.

The previous prime is 315033041. The next prime is 315033077. The reversal of 315033049 is 940330513.

It is an a-pointer prime, because the next prime (315033077) can be obtained adding 315033049 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306950400 + 8082649 = 17520^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 315033049 - 2³ = 315033041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315033041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157516524 + 157516525.

It is an arithmetic number, because the mean of its divisors is an integer number (157516525).

Almost surely, 2^315033049 is an apocalyptic number.

It is an amenable number.

315033049 is a deficient number, since it is larger than the sum of its proper divisors (1).

315033049 is an equidigital number, since it uses as much as digits as its factorization.

315033049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 315033049 is about 17749.1703749781. The cubic root of 315033049 is about 680.4330063653.

The spelling of 315033049 in words is "three hundred fifteen million, thirty-three thousand, forty-nine".