2613231 has 6 divisors (see below), whose sum is σ = 3774680. Its totient is φ = 1742148.

The previous prime is 2613229. The next prime is 2613313. The reversal of 2613231 is 1323162.

It is not a de Polignac number, because 2613231 - 2¹ = 2613229 is a prime.

It is a super-2 number, since 2×2613231² = 13657952518722, 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 (2613211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145171 + ... + 145188.

2^2613231 is an apocalyptic number.

2613231 is a deficient number, since it is larger than the sum of its proper divisors (1161449).

2613231 is a wasteful number, since it uses less digits than its factorization.

2613231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290365 (or 290362 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2613231 is about 1616.5491022546. The cubic root of 2613231 is about 137.7397426275.

Adding to 2613231 its reverse (1323162), we get a palindrome (3936393).

The spelling of 2613231 in words is "two million, six hundred thirteen thousand, two hundred thirty-one".