325978903 has 2 divisors, whose sum is σ = 325978904. Its totient is φ = 325978902.

The previous prime is 325978889. The next prime is 325978957. The reversal of 325978903 is 309879523.

It is a weak prime.

It is an emirp because it is prime and its reverse (309879523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325978903 - 2²⁵ = 292424471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325978403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162989451 + 162989452.

It is an arithmetic number, because the mean of its divisors is an integer number (162989452).

Almost surely, 2^325978903 is an apocalyptic number.

325978903 is a deficient number, since it is larger than the sum of its proper divisors (1).

325978903 is an equidigital number, since it uses as much as digits as its factorization.

325978903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 325978903 is about 18054.8858484345. The cubic root of 325978903 is about 688.2240283313.

The spelling of 325978903 in words is "three hundred twenty-five million, nine hundred seventy-eight thousand, nine hundred three".