315254949452513 has 4 divisors (see below), whose sum is σ = 360291370802880. Its totient is φ = 270218528102148.

The previous prime is 315254949452489. The next prime is 315254949452519.

It is a happy number.

315254949452513 is nontrivially palindromic in base 10.

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 315254949452513 - 2¹⁶ = 315254949386977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315254949452519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22518210675173 + ... + 22518210675186.

It is an arithmetic number, because the mean of its divisors is an integer number (90072842700720).

Almost surely, 2^{315254949452513} is an apocalyptic number.

It is an amenable number.

315254949452513 is a deficient number, since it is larger than the sum of its proper divisors (45036421350367).

315254949452513 is an equidigital number, since it uses as much as digits as its factorization.

315254949452513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45036421350366.

The product of its digits is 116640000, while the sum is 62.

The spelling of 315254949452513 in words is "three hundred fifteen trillion, two hundred fifty-four billion, nine hundred forty-nine million, four hundred fifty-two thousand, five hundred thirteen".