325438231 has 2 divisors, whose sum is σ = 325438232. Its totient is φ = 325438230.

The previous prime is 325438219. The next prime is 325438241. The reversal of 325438231 is 132834523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325438231 - 2¹⁵ = 325405463 is a prime.

It is a super-2 number, since 2×325438231² = 211820084392818722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325438193 and 325438202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325438241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162719115 + 162719116.

It is an arithmetic number, because the mean of its divisors is an integer number (162719116).

Almost surely, 2^325438231 is an apocalyptic number.

325438231 is a deficient number, since it is larger than the sum of its proper divisors (1).

325438231 is an equidigital number, since it uses as much as digits as its factorization.

325438231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 325438231 is about 18039.9066239269. The cubic root of 325438231 is about 687.8433192597.

The spelling of 325438231 in words is "three hundred twenty-five million, four hundred thirty-eight thousand, two hundred thirty-one".