2513223239 has 4 divisors (see below), whose sum is σ = 2513424624. Its totient is φ = 2513021856.

The previous prime is 2513223217. The next prime is 2513223257. The reversal of 2513223239 is 9323223152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513223239 is a prime.

It is a super-2 number, since 2×2513223239² = 12632582098099302242, 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 (2513223269) 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, 80642 + ... + 107375.

It is an arithmetic number, because the mean of its divisors is an integer number (628356156).

Almost surely, 2^2513223239 is an apocalyptic number.

2513223239 is a deficient number, since it is larger than the sum of its proper divisors (201385).

2513223239 is a wasteful number, since it uses less digits than its factorization.

2513223239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201384.

The product of its digits is 19440, while the sum is 32.

The square root of 2513223239 is about 50132.0579968547. The cubic root of 2513223239 is about 1359.5974946046.

The spelling of 2513223239 in words is "two billion, five hundred thirteen million, two hundred twenty-three thousand, two hundred thirty-nine".