325755280 has 20 divisors (see below), whose sum is σ = 757381212. Its totient is φ = 130302080.

The previous prime is 325755277. The next prime is 325755317. The reversal of 325755280 is 82557523.

It can be written as a sum of positive squares in 2 ways, for example, as 132434064 + 193321216 = 11508^2 + 13904^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×325755280² = 212233004895756800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035891 + ... + 2036050.

Almost surely, 2^325755280 is an apocalyptic number.

It is an amenable number.

325755280 is an abundant number, since it is smaller than the sum of its proper divisors (431625932).

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

325755280 is a wasteful number, since it uses less digits than its factorization.

325755280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071954 (or 4071948 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 325755280 is about 18048.6919193608. The cubic root of 325755280 is about 688.0666174001.

The spelling of 325755280 in words is "three hundred twenty-five million, seven hundred fifty-five thousand, two hundred eighty".