2613239 has 4 divisors (see below), whose sum is σ = 2674056. Its totient is φ = 2552424.

The previous prime is 2613229. The next prime is 2613313. The reversal of 2613239 is 9323162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9323162 = 2 ⋅4661581.

It is a cyclic number.

It is not a de Polignac number, because 2613239 - 2⁸ = 2612983 is a prime.

It is a super-2 number, since 2×2613239² = 13658036142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613229) 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, 30344 + ... + 30429.

It is an arithmetic number, because the mean of its divisors is an integer number (668514).

2^2613239 is an apocalyptic number.

2613239 is a deficient number, since it is larger than the sum of its proper divisors (60817).

2613239 is an equidigital number, since it uses as much as digits as its factorization.

2613239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60816.

The product of its digits is 1944, while the sum is 26.

The square root of 2613239 is about 1616.5515766594. The cubic root of 2613239 is about 137.7398831836.

The spelling of 2613239 in words is "two million, six hundred thirteen thousand, two hundred thirty-nine".