325517040 has 120 divisors (see below), whose sum is σ = 1119959568. Its totient is φ = 84679680.

The previous prime is 325517033. The next prime is 325517057. The reversal of 325517040 is 40715523.

It is a happy number.

325517040 is a `hidden beast` number, since 3 + 2 + 551 + 70 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×325517040² = 211922686660723200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325516995 and 325517013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24007 + ... + 35033.

Almost surely, 2^325517040 is an apocalyptic number.

325517040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325517040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559979784).

325517040 is an abundant number, since it is smaller than the sum of its proper divisors (794442528).

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

325517040 is a wasteful number, since it uses less digits than its factorization.

325517040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087 (or 11078 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 325517040 is about 18042.0907879325. The cubic root of 325517040 is about 687.8988381097.

The spelling of 325517040 in words is "three hundred twenty-five million, five hundred seventeen thousand, forty".