325310661 has 96 divisors (see below), whose sum is σ = 561375360. Its totient is φ = 186810624.

The previous prime is 325310653. The next prime is 325310663. The reversal of 325310661 is 166013523.

It is not a de Polignac number, because 325310661 - 2³ = 325310653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325310663) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4855350 + ... + 4855416.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^325310661 is an apocalyptic number.

It is an amenable number.

325310661 is a deficient number, since it is larger than the sum of its proper divisors (236064699).

325310661 is a wasteful number, since it uses less digits than its factorization.

325310661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 325310661 is about 18036.3705051765. The cubic root of 325310661 is about 687.7534305784.

The spelling of 325310661 in words is "three hundred twenty-five million, three hundred ten thousand, six hundred sixty-one".