315779053 has 4 divisors (see below), whose sum is σ = 324313660. Its totient is φ = 307244448.

The previous prime is 315779027. The next prime is 315779059. The reversal of 315779053 is 350977513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261048649 + 54730404 = 16157^2 + 7398^2 .

It is not a de Polignac number, because 315779053 - 2⁵ = 315779021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315778997 and 315779015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315779059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267248 + ... + 4267321.

It is an arithmetic number, because the mean of its divisors is an integer number (81078415).

Almost surely, 2^315779053 is an apocalyptic number.

It is an amenable number.

315779053 is a deficient number, since it is larger than the sum of its proper divisors (8534607).

315779053 is an equidigital number, since it uses as much as digits as its factorization.

315779053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534606.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 315779053 is about 17770.1731280255. The cubic root of 315779053 is about 680.9696755594.

The spelling of 315779053 in words is "three hundred fifteen million, seven hundred seventy-nine thousand, fifty-three".