3251231 has 2 divisors, whose sum is σ = 3251232. Its totient is φ = 3251230.

The previous prime is 3251221. The next prime is 3251243. The reversal of 3251231 is 1321523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3251231 - 2¹⁰ = 3250207 is a prime.

It is a super-2 number, since 2×3251231² = 21141006030722, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3251221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625615 + 1625616.

It is an arithmetic number, because the mean of its divisors is an integer number (1625616).

Almost surely, 2^3251231 is an apocalyptic number.

3251231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251231 is an equidigital number, since it uses as much as digits as its factorization.

3251231 is an evil number, because the sum of its binary digits is even.

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

The square root of 3251231 is about 1803.1170233792. The cubic root of 3251231 is about 148.1435027656.

Adding to 3251231 its reverse (1321523), we get a palindrome (4572754).

The spelling of 3251231 in words is "three million, two hundred fifty-one thousand, two hundred thirty-one".