2513231 has 8 divisors (see below), whose sum is σ = 2933760. Its totient is φ = 2108088.

The previous prime is 2513209. The next prime is 2513249. The reversal of 2513231 is 1323152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2513231 - 2¹⁰ = 2512207 is a prime.

It is a super-2 number, since 2×2513231² = 12632660118722, 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 (2513281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (366720).

2^2513231 is an apocalyptic number.

2513231 is a deficient number, since it is larger than the sum of its proper divisors (420529).

2513231 is an equidigital number, since it uses as much as digits as its factorization.

2513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693.

The product of its digits is 180, while the sum is 17.

The square root of 2513231 is about 1585.3173183940. The cubic root of 2513231 is about 135.9598894112.

Adding to 2513231 its reverse (1323152), we get a palindrome (3836383).

It can be divided in two parts, 2513 and 231, that multiplied together give a triangular number (580503 = T₁₀₇₇).

The spelling of 2513231 in words is "two million, five hundred thirteen thousand, two hundred thirty-one".