325729867 has 2 divisors, whose sum is σ = 325729868. Its totient is φ = 325729866.

The previous prime is 325729853. The next prime is 325729883. The reversal of 325729867 is 768927523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325729867 - 2²³ = 317341259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325729867.

It is not a weakly prime, because it can be changed into another prime (325729837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162864933 + 162864934.

It is an arithmetic number, because the mean of its divisors is an integer number (162864934).

Almost surely, 2^325729867 is an apocalyptic number.

325729867 is a deficient number, since it is larger than the sum of its proper divisors (1).

325729867 is an equidigital number, since it uses as much as digits as its factorization.

325729867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 325729867 is about 18047.9878933913. The cubic root of 325729867 is about 688.0487243244.

It can be divided in two parts, 3257 and 29867, that added together give a square (33124 = 182²).

The spelling of 325729867 in words is "three hundred twenty-five million, seven hundred twenty-nine thousand, eight hundred sixty-seven".