325775431 has 2 divisors, whose sum is σ = 325775432. Its totient is φ = 325775430.

The previous prime is 325775423. The next prime is 325775543. The reversal of 325775431 is 134577523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325775431 - 2³ = 325775423 is a prime.

It is a super-2 number, since 2×325775431² = 212259262886471522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325775231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162887715 + 162887716.

It is an arithmetic number, because the mean of its divisors is an integer number (162887716).

Almost surely, 2^325775431 is an apocalyptic number.

325775431 is a deficient number, since it is larger than the sum of its proper divisors (1).

325775431 is an equidigital number, since it uses as much as digits as its factorization.

325775431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 37.

The square root of 325775431 is about 18049.2501506295. The cubic root of 325775431 is about 688.0808048852.

The spelling of 325775431 in words is "three hundred twenty-five million, seven hundred seventy-five thousand, four hundred thirty-one".