325101981 has 8 divisors (see below), whose sum is σ = 433687680. Its totient is φ = 216625472.

The previous prime is 325101979. The next prime is 325102003. The reversal of 325101981 is 189101523.

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

It is a cyclic number.

It is not a de Polignac number, because 325101981 - 2¹ = 325101979 is a prime.

It is a super-2 number, since 2×325101981² = 211382596100248722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325103981) 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, 20076 + ... + 32453.

It is an arithmetic number, because the mean of its divisors is an integer number (54210960).

Almost surely, 2^325101981 is an apocalyptic number.

It is an amenable number.

325101981 is a deficient number, since it is larger than the sum of its proper divisors (108585699).

325101981 is a wasteful number, since it uses less digits than its factorization.

325101981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54595.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 325101981 is about 18030.5845995076. The cubic root of 325101981 is about 687.6063392976.

The spelling of 325101981 in words is "three hundred twenty-five million, one hundred one thousand, nine hundred eighty-one".