2539613 has 16 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 2246400.

The previous prime is 2539583. The next prime is 2539627. The reversal of 2539613 is 3169352.

It is a cyclic number.

It is not a de Polignac number, because 2539613 - 2⁸ = 2539357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539633) 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, 32108 + ... + 32186.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2^2539613 is an apocalyptic number.

It is an amenable number.

2539613 is a deficient number, since it is larger than the sum of its proper divisors (317347).

2539613 is a wasteful number, since it uses less digits than its factorization.

2539613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its digits is 4860, while the sum is 29.

The square root of 2539613 is about 1593.6163277276. The cubic root of 2539613 is about 136.4339691456.

The spelling of 2539613 in words is "two million, five hundred thirty-nine thousand, six hundred thirteen".