32400025817 has 2 divisors, whose sum is σ = 32400025818. Its totient is φ = 32400025816.

The previous prime is 32400025799. The next prime is 32400025873. The reversal of 32400025817 is 71852000423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21227324416 + 11172701401 = 145696^2 + 105701^2 .

It is a cyclic number.

It is not a de Polignac number, because 32400025817 - 2¹⁸ = 32399763673 is a prime.

It is not a weakly prime, because it can be changed into another prime (32400025417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200012908 + 16200012909.

It is an arithmetic number, because the mean of its divisors is an integer number (16200012909).

Almost surely, 2^32400025817 is an apocalyptic number.

It is an amenable number.

32400025817 is a deficient number, since it is larger than the sum of its proper divisors (1).

32400025817 is an equidigital number, since it uses as much as digits as its factorization.

32400025817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 32400025817 in words is "thirty-two billion, four hundred million, twenty-five thousand, eight hundred seventeen".