32130913 has 2 divisors, whose sum is σ = 32130914. Its totient is φ = 32130912.

The previous prime is 32130899. The next prime is 32130929. The reversal of 32130913 is 31903123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21418384 + 10712529 = 4628^2 + 3273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32130913 is a prime.

It is not a weakly prime, because it can be changed into another prime (32130983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065456 + 16065457.

It is an arithmetic number, because the mean of its divisors is an integer number (16065457).

Almost surely, 2^32130913 is an apocalyptic number.

It is an amenable number.

32130913 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130913 is an equidigital number, since it uses as much as digits as its factorization.

32130913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 32130913 is about 5668.4136228755. The cubic root of 32130913 is about 317.9125618281.

The spelling of 32130913 in words is "thirty-two million, one hundred thirty thousand, nine hundred thirteen".