3125231 has 4 divisors (see below), whose sum is σ = 3130200. Its totient is φ = 3120264.

The previous prime is 3125219. The next prime is 3125257. The reversal of 3125231 is 1325213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1325213 = 29 ⋅45697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3125231 is a prime.

It is a super-2 number, since 2×3125231² = 19534137606722, 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 (3125261) 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, 1376 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (782550).

Almost surely, 2^3125231 is an apocalyptic number.

3125231 is a deficient number, since it is larger than the sum of its proper divisors (4969).

3125231 is an equidigital number, since it uses as much as digits as its factorization.

3125231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968.

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

The square root of 3125231 is about 1767.8322884256. The cubic root of 3125231 is about 146.2044892117.

The spelling of 3125231 in words is "three million, one hundred twenty-five thousand, two hundred thirty-one".