315276505 has 8 divisors (see below), whose sum is σ = 381803400. Its totient is φ = 249906816.

The previous prime is 315276503. The next prime is 315276523. The reversal of 315276505 is 505672513.

It can be written as a sum of positive squares in 4 ways, for example, as 129117769 + 186158736 = 11363^2 + 13644^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315276505 - 2¹ = 315276503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315276503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288700 + ... + 289789.

It is an arithmetic number, because the mean of its divisors is an integer number (47725425).

Almost surely, 2^315276505 is an apocalyptic number.

It is an amenable number.

315276505 is a deficient number, since it is larger than the sum of its proper divisors (66526895).

315276505 is a wasteful number, since it uses less digits than its factorization.

315276505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578603.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 315276505 is about 17756.0272865301. The cubic root of 315276505 is about 680.6082396668.

The spelling of 315276505 in words is "three hundred fifteen million, two hundred seventy-six thousand, five hundred five".