325816340 has 24 divisors (see below), whose sum is σ = 700904232. Its totient is φ = 127147520.

The previous prime is 325816331. The next prime is 325816343. The reversal of 325816340 is 43618523.

It can be written as a sum of positive squares in 4 ways, for example, as 17322244 + 308494096 = 4162^2 + 17564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 325816297 and 325816306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325816343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197849 + ... + 199488.

It is an arithmetic number, because the mean of its divisors is an integer number (29204343).

Almost surely, 2^325816340 is an apocalyptic number.

It is an amenable number.

325816340 is an abundant number, since it is smaller than the sum of its proper divisors (375087892).

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

325816340 is a wasteful number, since it uses less digits than its factorization.

325816340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397387 (or 397385 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 325816340 is about 18050.3833754300. The cubic root of 325816340 is about 688.1096054195.

The spelling of 325816340 in words is "three hundred twenty-five million, eight hundred sixteen thousand, three hundred forty".