32499913 has 2 divisors, whose sum is σ = 32499914. Its totient is φ = 32499912.

The previous prime is 32499877. The next prime is 32499917. The reversal of 32499913 is 31999423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32171584 + 328329 = 5672^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 32499913 - 2¹⁷ = 32368841 is a prime.

It is not a weakly prime, because it can be changed into another prime (32499917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16249956 + 16249957.

It is an arithmetic number, because the mean of its divisors is an integer number (16249957).

Almost surely, 2^32499913 is an apocalyptic number.

It is an amenable number.

32499913 is a deficient number, since it is larger than the sum of its proper divisors (1).

32499913 is an equidigital number, since it uses as much as digits as its factorization.

32499913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 32499913 is about 5700.8694950858. The cubic root of 32499913 is about 319.1249301849.

The spelling of 32499913 in words is "thirty-two million, four hundred ninety-nine thousand, nine hundred thirteen".