326625530 has 64 divisors (see below), whose sum is σ = 764909568. Its totient is φ = 97373760.

The previous prime is 326625511. The next prime is 326625569. The reversal of 326625530 is 35526623.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8489 + ... + 26931.

It is an arithmetic number, because the mean of its divisors is an integer number (11951712).

Almost surely, 2^326625530 is an apocalyptic number.

326625530 is an abundant number, since it is smaller than the sum of its proper divisors (438284038).

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

326625530 is a wasteful number, since it uses less digits than its factorization.

326625530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18491.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 326625530 is about 18072.7842348654. The cubic root of 326625530 is about 688.6787922250.

The spelling of 326625530 in words is "three hundred twenty-six million, six hundred twenty-five thousand, five hundred thirty".