32137213 has 2 divisors, whose sum is σ = 32137214. Its totient is φ = 32137212.

The previous prime is 32137181. The next prime is 32137247. The reversal of 32137213 is 31273123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31843449 + 293764 = 5643^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 32137213 - 2⁵ = 32137181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32137253) 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, 16068606 + 16068607.

It is an arithmetic number, because the mean of its divisors is an integer number (16068607).

Almost surely, 2^32137213 is an apocalyptic number.

It is an amenable number.

32137213 is a deficient number, since it is larger than the sum of its proper divisors (1).

32137213 is an equidigital number, since it uses as much as digits as its factorization.

32137213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 22.

The square root of 32137213 is about 5668.9693066730. The cubic root of 32137213 is about 317.9333384787.

The spelling of 32137213 in words is "thirty-two million, one hundred thirty-seven thousand, two hundred thirteen".