325404155 has 4 divisors (see below), whose sum is σ = 390484992. Its totient is φ = 260323320.

The previous prime is 325404151. The next prime is 325404173. The reversal of 325404155 is 551404523.

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

It is not a de Polignac number, because 325404155 - 2² = 325404151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325404151) 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, 32540411 + ... + 32540420.

It is an arithmetic number, because the mean of its divisors is an integer number (97621248).

Almost surely, 2^325404155 is an apocalyptic number.

325404155 is a deficient number, since it is larger than the sum of its proper divisors (65080837).

325404155 is an equidigital number, since it uses as much as digits as its factorization.

325404155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65080836.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 325404155 is about 18038.9621375510. The cubic root of 325404155 is about 687.8193108460.

Adding to 325404155 its reverse (551404523), we get a palindrome (876808678).

The spelling of 325404155 in words is "three hundred twenty-five million, four hundred four thousand, one hundred fifty-five".