325204155 has 12 divisors (see below), whose sum is σ = 563687280. Its totient is φ = 173442192.

The previous prime is 325204147. The next prime is 325204181. The reversal of 325204155 is 551402523.

It is a happy number.

It is not a de Polignac number, because 325204155 - 2³ = 325204147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3613335 + ... + 3613424.

It is an arithmetic number, because the mean of its divisors is an integer number (46973940).

Almost surely, 2^325204155 is an apocalyptic number.

325204155 is a deficient number, since it is larger than the sum of its proper divisors (238483125).

325204155 is a wasteful number, since it uses less digits than its factorization.

325204155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226770 (or 7226767 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 325204155 is about 18033.4177293158. The cubic root of 325204155 is about 687.6783660620.

Adding to 325204155 its reverse (551402523), we get a palindrome (876606678).

It can be divided in two parts, 325 and 204155, that added together give a triangular number (204480 = T₆₃₉).

The spelling of 325204155 in words is "three hundred twenty-five million, two hundred four thousand, one hundred fifty-five".