325203155 has 4 divisors (see below), whose sum is σ = 390243792. Its totient is φ = 260162520.

The previous prime is 325203143. The next prime is 325203157. The reversal of 325203155 is 551302523.

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

It is not a de Polignac number, because 325203155 - 2⁶ = 325203091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325203157) 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, 32520311 + ... + 32520320.

It is an arithmetic number, because the mean of its divisors is an integer number (97560948).

Almost surely, 2^325203155 is an apocalyptic number.

325203155 is a deficient number, since it is larger than the sum of its proper divisors (65040637).

325203155 is an equidigital number, since it uses as much as digits as its factorization.

325203155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65040636.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 325203155 is about 18033.3900029917. The cubic root of 325203155 is about 687.6776611929.

Adding to 325203155 its reverse (551302523), we get a palindrome (876505678).

The spelling of 325203155 in words is "three hundred twenty-five million, two hundred three thousand, one hundred fifty-five".