325161903 has 16 divisors (see below), whose sum is σ = 480719232. Its totient is φ = 193836000.

The previous prime is 325161899. The next prime is 325161917. The reversal of 325161903 is 309161523.

It is not a de Polignac number, because 325161903 - 2² = 325161899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325161923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78753 + ... + 82778.

It is an arithmetic number, because the mean of its divisors is an integer number (30044952).

Almost surely, 2^325161903 is an apocalyptic number.

325161903 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

325161903 is a deficient number, since it is larger than the sum of its proper divisors (155557329).

325161903 is a wasteful number, since it uses less digits than its factorization.

325161903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161606.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 325161903 is about 18032.2461995171. The cubic root of 325161903 is about 687.6485826738.

The spelling of 325161903 in words is "three hundred twenty-five million, one hundred sixty-one thousand, nine hundred three".