2315489 has 4 divisors (see below), whose sum is σ = 2526000. Its totient is φ = 2104980.

The previous prime is 2315477. The next prime is 2315491. The reversal of 2315489 is 9845132.

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 not a de Polignac number, because 2315489 - 2⁸ = 2315233 is a prime.

It is a super-2 number, since 2×2315489² = 10722978618242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2318489) 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, 105239 + ... + 105260.

It is an arithmetic number, because the mean of its divisors is an integer number (631500).

2^2315489 is an apocalyptic number.

It is an amenable number.

2315489 is a deficient number, since it is larger than the sum of its proper divisors (210511).

2315489 is a wasteful number, since it uses less digits than its factorization.

2315489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210510.

The product of its digits is 8640, while the sum is 32.

The square root of 2315489 is about 1521.6730923559. The cubic root of 2315489 is about 132.2962621780.

The spelling of 2315489 in words is "two million, three hundred fifteen thousand, four hundred eighty-nine".