325842421 has 4 divisors (see below), whose sum is σ = 325956672. Its totient is φ = 325728172.

The previous prime is 325842409. The next prime is 325842431. The reversal of 325842421 is 124248523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 325842421 - 2⁵ = 325842389 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325842431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52735 + ... + 58588.

It is an arithmetic number, because the mean of its divisors is an integer number (81489168).

Almost surely, 2^325842421 is an apocalyptic number.

It is an amenable number.

325842421 is a deficient number, since it is larger than the sum of its proper divisors (114251).

325842421 is a wasteful number, since it uses less digits than its factorization.

325842421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114250.

The product of its digits is 15360, while the sum is 31.

The square root of 325842421 is about 18051.1058110023. The cubic root of 325842421 is about 688.1279655666.

The spelling of 325842421 in words is "three hundred twenty-five million, eight hundred forty-two thousand, four hundred twenty-one".