315665153 has 4 divisors (see below), whose sum is σ = 316489728. Its totient is φ = 314840580.

The previous prime is 315665149. The next prime is 315665171. The reversal of 315665153 is 351566513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315665153 - 2² = 315665149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315665353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411713 + ... + 412478.

It is an arithmetic number, because the mean of its divisors is an integer number (79122432).

Almost surely, 2^315665153 is an apocalyptic number.

It is an amenable number.

315665153 is a deficient number, since it is larger than the sum of its proper divisors (824575).

315665153 is an equidigital number, since it uses as much as digits as its factorization.

315665153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824574.

The product of its digits is 40500, while the sum is 35.

The square root of 315665153 is about 17766.9680305898. The cubic root of 315665153 is about 680.8877915410.

The spelling of 315665153 in words is "three hundred fifteen million, six hundred sixty-five thousand, one hundred fifty-three".