325331257 has 2 divisors, whose sum is σ = 325331258. Its totient is φ = 325331256.

The previous prime is 325331233. The next prime is 325331273. The reversal of 325331257 is 752133523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173080336 + 152250921 = 13156^2 + 12339^2 .

It is a cyclic number.

It is not a de Polignac number, because 325331257 - 2¹¹ = 325329209 is a prime.

It is not a weakly prime, because it can be changed into another prime (325331207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162665628 + 162665629.

It is an arithmetic number, because the mean of its divisors is an integer number (162665629).

Almost surely, 2^325331257 is an apocalyptic number.

It is an amenable number.

325331257 is a deficient number, since it is larger than the sum of its proper divisors (1).

325331257 is an equidigital number, since it uses as much as digits as its factorization.

325331257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 31.

The square root of 325331257 is about 18036.9414535835. The cubic root of 325331257 is about 687.7679445721.

The spelling of 325331257 in words is "three hundred twenty-five million, three hundred thirty-one thousand, two hundred fifty-seven".