32505251413 has 2 divisors, whose sum is σ = 32505251414. Its totient is φ = 32505251412.

The previous prime is 32505251399. The next prime is 32505251437. The reversal of 32505251413 is 31415250523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26480076529 + 6025174884 = 162727^2 + 77622^2 .

It is a cyclic number.

It is not a de Polignac number, because 32505251413 - 2²¹ = 32503154261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32505551413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252625706 + 16252625707.

It is an arithmetic number, because the mean of its divisors is an integer number (16252625707).

Almost surely, 2^32505251413 is an apocalyptic number.

It is an amenable number.

32505251413 is a deficient number, since it is larger than the sum of its proper divisors (1).

32505251413 is an equidigital number, since it uses as much as digits as its factorization.

32505251413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 32505251413 in words is "thirty-two billion, five hundred five million, two hundred fifty-one thousand, four hundred thirteen".