325256140 has 24 divisors (see below), whose sum is σ = 745132752. Its totient is φ = 118274880.

The previous prime is 325256137. The next prime is 325256143. The reversal of 325256140 is 41652523.

It is an interprime number because it is at equal distance from previous prime (325256137) and next prime (325256143).

It is a junction number, because it is equal to n+sod(n) for n = 325256099 and 325256108.

It is not an unprimeable number, because it can be changed into a prime (325256143) 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 in 7 ways as a sum of consecutive naturals, for example, 738999 + ... + 739438.

It is an arithmetic number, because the mean of its divisors is an integer number (31047198).

Almost surely, 2^325256140 is an apocalyptic number.

It is an amenable number.

325256140 is an abundant number, since it is smaller than the sum of its proper divisors (419876612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325256140 is a wasteful number, since it uses less digits than its factorization.

325256140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478457 (or 1478455 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 325256140 is about 18034.8590235688. The cubic root of 325256140 is about 687.7150066918.

The spelling of 325256140 in words is "three hundred twenty-five million, two hundred fifty-six thousand, one hundred forty".