325772231 has 4 divisors (see below), whose sum is σ = 326025864. Its totient is φ = 325518600.

The previous prime is 325772203. The next prime is 325772263. The reversal of 325772231 is 132277523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325772231 - 2¹⁴ = 325755847 is a prime.

It is a super-2 number, since 2×325772231² = 212255092981434722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325772201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124880 + ... + 127461.

It is an arithmetic number, because the mean of its divisors is an integer number (81506466).

Almost surely, 2^325772231 is an apocalyptic number.

325772231 is a deficient number, since it is larger than the sum of its proper divisors (253633).

325772231 is a wasteful number, since it uses less digits than its factorization.

325772231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253632.

The product of its digits is 17640, while the sum is 32.

The square root of 325772231 is about 18049.1615040699. The cubic root of 325772231 is about 688.0785519367.

The spelling of 325772231 in words is "three hundred twenty-five million, seven hundred seventy-two thousand, two hundred thirty-one".