2115259 has 4 divisors (see below), whose sum is σ = 2239704. Its totient is φ = 1990816.

The previous prime is 2115233. The next prime is 2115277. The reversal of 2115259 is 9525112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2115259 - 2⁵ = 2115227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115229) 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, 62197 + ... + 62230.

It is an arithmetic number, because the mean of its divisors is an integer number (559926).

2^2115259 is an apocalyptic number.

2115259 is a deficient number, since it is larger than the sum of its proper divisors (124445).

2115259 is a wasteful number, since it uses less digits than its factorization.

2115259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124444.

The product of its digits is 900, while the sum is 25.

The square root of 2115259 is about 1454.3930005332. The cubic root of 2115259 is about 128.3673326833.

The spelling of 2115259 in words is "two million, one hundred fifteen thousand, two hundred fifty-nine".