2315797 has 4 divisors (see below), whose sum is σ = 2526336. Its totient is φ = 2105260.

The previous prime is 2315773. The next prime is 2315839. The reversal of 2315797 is 7975132.

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 a de Polignac number, because none of the positive numbers 2^k-2315797 is a prime.

It is a Duffinian number.

2315797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315707) 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, 105253 + ... + 105274.

It is an arithmetic number, because the mean of its divisors is an integer number (631584).

2^2315797 is an apocalyptic number.

It is an amenable number.

2315797 is a deficient number, since it is larger than the sum of its proper divisors (210539).

2315797 is a wasteful number, since it uses less digits than its factorization.

2315797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210538.

The product of its digits is 13230, while the sum is 34.

The square root of 2315797 is about 1521.7742933826. The cubic root of 2315797 is about 132.3021278134.

The spelling of 2315797 in words is "two million, three hundred fifteen thousand, seven hundred ninety-seven".