325722431 has 4 divisors (see below), whose sum is σ = 344882592. Its totient is φ = 306562272.

The previous prime is 325722413. The next prime is 325722457. The reversal of 325722431 is 134227523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134227523 = 2437 ⋅55079.

It is a cyclic number.

It is not a de Polignac number, because 325722431 - 2⁶ = 325722367 is a prime.

It is a super-2 number, since 2×325722431² = 212190204113099522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325722394 and 325722403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325722401) 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, 9580055 + ... + 9580088.

It is an arithmetic number, because the mean of its divisors is an integer number (86220648).

Almost surely, 2^325722431 is an apocalyptic number.

325722431 is a deficient number, since it is larger than the sum of its proper divisors (19160161).

325722431 is a wasteful number, since it uses less digits than its factorization.

325722431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19160160.

The product of its digits is 10080, while the sum is 29.

The square root of 325722431 is about 18047.7818858717. The cubic root of 325722431 is about 688.0434885245.

Adding to 325722431 its reverse (134227523), we get a palindrome (459949954).

The spelling of 325722431 in words is "three hundred twenty-five million, seven hundred twenty-two thousand, four hundred thirty-one".