2315705 has 16 divisors (see below), whose sum is σ = 3210240. Its totient is φ = 1570752.

The previous prime is 2315699. The next prime is 2315707. The reversal of 2315705 is 5075132.

It is a cyclic number.

It is not a de Polignac number, because 2315705 - 2⁶ = 2315641 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3512 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (200640).

2^2315705 is an apocalyptic number.

It is an amenable number.

2315705 is a deficient number, since it is larger than the sum of its proper divisors (894535).

2315705 is a wasteful number, since it uses less digits than its factorization.

2315705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 2315705 is about 1521.7440652094. The cubic root of 2315705 is about 132.3003757949.

The spelling of 2315705 in words is "two million, three hundred fifteen thousand, seven hundred five".