325611690 has 32 divisors (see below), whose sum is σ = 815446656. Its totient is φ = 83054400.

The previous prime is 325611679. The next prime is 325611691. The reversal of 325611690 is 96116523.

It is a happy number.

It is a super-2 number, since 2×325611690² = 212045945329312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325611691) 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 15 ways as a sum of consecutive naturals, for example, 235261 + ... + 236640.

It is an arithmetic number, because the mean of its divisors is an integer number (25482708).

Almost surely, 2^325611690 is an apocalyptic number.

325611690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325611690 is an abundant number, since it is smaller than the sum of its proper divisors (489834966).

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

325611690 is a wasteful number, since it uses less digits than its factorization.

325611690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471934.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 325611690 is about 18044.7136303129. The cubic root of 325611690 is about 687.9655046816.

The spelling of 325611690 in words is "three hundred twenty-five million, six hundred eleven thousand, six hundred ninety".