315234049 has 4 divisors (see below), whose sum is σ = 339482836. Its totient is φ = 290985264.

The previous prime is 315234037. The next prime is 315234053. The reversal of 315234049 is 940432513.

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 15944049 + 299290000 = 3993^2 + 17300^2 .

It is a cyclic number.

It is not a de Polignac number, because 315234049 - 2⁹ = 315233537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315234049.

It is not an unprimeable number, because it can be changed into a prime (315234079) 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, 12124374 + ... + 12124399.

It is an arithmetic number, because the mean of its divisors is an integer number (84870709).

Almost surely, 2^315234049 is an apocalyptic number.

It is an amenable number.

315234049 is a deficient number, since it is larger than the sum of its proper divisors (24248787).

315234049 is a wasteful number, since it uses less digits than its factorization.

315234049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24248786.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 315234049 is about 17754.8317085801. The cubic root of 315234049 is about 680.5776874371.

The spelling of 315234049 in words is "three hundred fifteen million, two hundred thirty-four thousand, forty-nine".