325723257 has 12 divisors (see below), whose sum is σ = 473119920. Its totient is φ = 215934648.

The previous prime is 325723243. The next prime is 325723261. The reversal of 325723257 is 752327523.

325723257 is a `hidden beast` number, since 3 + 2 + 572 + 32 + 57 = 666.

It is not a de Polignac number, because 325723257 - 2¹⁰ = 325722233 is a prime.

It is a super-3 number, since 3×325723257³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (325723267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99483 + ... + 102704.

It is an arithmetic number, because the mean of its divisors is an integer number (39426660).

Almost surely, 2^325723257 is an apocalyptic number.

It is an amenable number.

325723257 is a deficient number, since it is larger than the sum of its proper divisors (147396663).

325723257 is a wasteful number, since it uses less digits than its factorization.

325723257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202372 (or 202369 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 325723257 is about 18047.8047695558. The cubic root of 325723257 is about 688.0440701275.

The spelling of 325723257 in words is "three hundred twenty-five million, seven hundred twenty-three thousand, two hundred fifty-seven".