2315090513 has 4 divisors (see below), whose sum is σ = 2315278500. Its totient is φ = 2314902528.

The previous prime is 2315090489. The next prime is 2315090641. The reversal of 2315090513 is 3150905132.

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 1541583169 + 773507344 = 39263^2 + 27812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315090513 - 2⁸ = 2315090257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315096513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74120 + ... + 100617.

It is an arithmetic number, because the mean of its divisors is an integer number (578819625).

Almost surely, 2^2315090513 is an apocalyptic number.

It is an amenable number.

2315090513 is a deficient number, since it is larger than the sum of its proper divisors (187987).

2315090513 is a wasteful number, since it uses less digits than its factorization.

2315090513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187986.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 2315090513 is about 48115.3874867490. The cubic root of 2315090513 is about 1322.8867251194.

Adding to 2315090513 its reverse (3150905132), we get a palindrome (5465995645).

The spelling of 2315090513 in words is "two billion, three hundred fifteen million, ninety thousand, five hundred thirteen".