325616081 has 8 divisors (see below), whose sum is σ = 380787264. Its totient is φ = 272608560.

The previous prime is 325616077. The next prime is 325616119. The reversal of 325616081 is 180616523.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325616081 - 2² = 325616077 is a prime.

It is a super-2 number, since 2×325616081² = 212051664411597122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325613081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540590 + ... + 541191.

It is an arithmetic number, because the mean of its divisors is an integer number (47598408).

Almost surely, 2^325616081 is an apocalyptic number.

It is an amenable number.

325616081 is a deficient number, since it is larger than the sum of its proper divisors (55171183).

325616081 is a wasteful number, since it uses less digits than its factorization.

325616081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081831.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 325616081 is about 18044.8352998857. The cubic root of 325616081 is about 687.9685971616.

The spelling of 325616081 in words is "three hundred twenty-five million, six hundred sixteen thousand, eighty-one".