325632451 has 4 divisors (see below), whose sum is σ = 326444904. Its totient is φ = 324820000.

The previous prime is 325632443. The next prime is 325632473. The reversal of 325632451 is 154236523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154236523 = 7 ⋅22033789.

It is a cyclic number.

It is not a de Polignac number, because 325632451 - 2³ = 325632443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325635451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405625 + ... + 406426.

It is an arithmetic number, because the mean of its divisors is an integer number (81611226).

Almost surely, 2^325632451 is an apocalyptic number.

325632451 is a deficient number, since it is larger than the sum of its proper divisors (812453).

325632451 is an equidigital number, since it uses as much as digits as its factorization.

325632451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812452.

The product of its digits is 21600, while the sum is 31.

The square root of 325632451 is about 18045.2888865765. The cubic root of 325632451 is about 687.9801259301.

Adding to 325632451 its reverse (154236523), we get a palindrome (479868974).

The spelling of 325632451 in words is "three hundred twenty-five million, six hundred thirty-two thousand, four hundred fifty-one".