325123531 has 4 divisors (see below), whose sum is σ = 329577352. Its totient is φ = 320669712.

The previous prime is 325123523. The next prime is 325123537. The reversal of 325123531 is 135321523.

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 325123531 - 2³ = 325123523 is a prime.

It is a super-2 number, since 2×325123531² = 211410620819815922, 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 = 325123496 and 325123505.

It is not an unprimeable number, because it can be changed into a prime (325123537) 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, 2226801 + ... + 2226946.

It is an arithmetic number, because the mean of its divisors is an integer number (82394338).

Almost surely, 2^325123531 is an apocalyptic number.

325123531 is a deficient number, since it is larger than the sum of its proper divisors (4453821).

325123531 is an equidigital number, since it uses as much as digits as its factorization.

325123531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453820.

The product of its digits is 2700, while the sum is 25.

The square root of 325123531 is about 18031.1821853144. The cubic root of 325123531 is about 687.6215320577.

The spelling of 325123531 in words is "three hundred twenty-five million, one hundred twenty-three thousand, five hundred thirty-one".