325517879 has 2 divisors, whose sum is σ = 325517880. Its totient is φ = 325517878.

The previous prime is 325517867. The next prime is 325517893. The reversal of 325517879 is 978715523.

It is a weak prime.

It is an emirp because it is prime and its reverse (978715523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325517879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325517279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162758939 + 162758940.

It is an arithmetic number, because the mean of its divisors is an integer number (162758940).

Almost surely, 2^325517879 is an apocalyptic number.

325517879 is a deficient number, since it is larger than the sum of its proper divisors (1).

325517879 is an equidigital number, since it uses as much as digits as its factorization.

325517879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 47.

The square root of 325517879 is about 18042.1140391031. The cubic root of 325517879 is about 687.8994291148.

The spelling of 325517879 in words is "three hundred twenty-five million, five hundred seventeen thousand, eight hundred seventy-nine".