325170206129 has 2 divisors, whose sum is σ = 325170206130. Its totient is φ = 325170206128.

The previous prime is 325170206089. The next prime is 325170206147. The reversal of 325170206129 is 921602071523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320103613729 + 5066592400 = 565777^2 + 71180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325170206129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 325170206092 and 325170206101.

It is not a weakly prime, because it can be changed into another prime (325170206729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162585103064 + 162585103065.

It is an arithmetic number, because the mean of its divisors is an integer number (162585103065).

Almost surely, 2^325170206129 is an apocalyptic number.

It is an amenable number.

325170206129 is a deficient number, since it is larger than the sum of its proper divisors (1).

325170206129 is an equidigital number, since it uses as much as digits as its factorization.

325170206129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 325170206129 in words is "three hundred twenty-five billion, one hundred seventy million, two hundred six thousand, one hundred twenty-nine".