325643455 has 4 divisors (see below), whose sum is σ = 390772152. Its totient is φ = 260514760.

The previous prime is 325643447. The next prime is 325643459. The reversal of 325643455 is 554346523.

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

It is not a de Polignac number, because 325643455 - 2³ = 325643447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325643459) 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, 32564341 + ... + 32564350.

It is an arithmetic number, because the mean of its divisors is an integer number (97693038).

Almost surely, 2^325643455 is an apocalyptic number.

325643455 is a deficient number, since it is larger than the sum of its proper divisors (65128697).

325643455 is an equidigital number, since it uses as much as digits as its factorization.

325643455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65128696.

The product of its digits is 216000, while the sum is 37.

The square root of 325643455 is about 18045.5937835251. The cubic root of 325643455 is about 687.9878754117.

Adding to 325643455 its reverse (554346523), we get a palindrome (879989978).

The spelling of 325643455 in words is "three hundred twenty-five million, six hundred forty-three thousand, four hundred fifty-five".