325432621 has 8 divisors (see below), whose sum is σ = 338837688. Its totient is φ = 312288000.

The previous prime is 325432609. The next prime is 325432661. The reversal of 325432621 is 126234523.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 325261225 = 414^2 + 18035^2 .

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 325432621 - 2⁷ = 325432493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325432621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325432661) 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, 62560 + ... + 67561.

It is an arithmetic number, because the mean of its divisors is an integer number (42354711).

Almost surely, 2^325432621 is an apocalyptic number.

It is an amenable number.

325432621 is a deficient number, since it is larger than the sum of its proper divisors (13405067).

325432621 is a wasteful number, since it uses less digits than its factorization.

325432621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130223.

The product of its digits is 8640, while the sum is 28.

The square root of 325432621 is about 18039.7511346471. The cubic root of 325432621 is about 687.8393668218.

The spelling of 325432621 in words is "three hundred twenty-five million, four hundred thirty-two thousand, six hundred twenty-one".