325306257 has 16 divisors (see below), whose sum is σ = 446092032. Its totient is φ = 210712320.

The previous prime is 325306243. The next prime is 325306313. The reversal of 325306257 is 752603523.

It is not a de Polignac number, because 325306257 - 2¹² = 325302161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (325306207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99513 + ... + 102729.

It is an arithmetic number, because the mean of its divisors is an integer number (27880752).

Almost surely, 2^325306257 is an apocalyptic number.

325306257 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

325306257 is a deficient number, since it is larger than the sum of its proper divisors (120785775).

325306257 is a wasteful number, since it uses less digits than its factorization.

325306257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 325306257 is about 18036.2484181162. The cubic root of 325306257 is about 687.7503270017.

The spelling of 325306257 in words is "three hundred twenty-five million, three hundred six thousand, two hundred fifty-seven".