32138201 has 2 divisors, whose sum is σ = 32138202. Its totient is φ = 32138200.

The previous prime is 32138191. The next prime is 32138203. The reversal of 32138201 is 10283123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24010000 + 8128201 = 4900^2 + 2851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32138201 is a prime.

Together with 32138203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32138203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16069100 + 16069101.

It is an arithmetic number, because the mean of its divisors is an integer number (16069101).

Almost surely, 2^32138201 is an apocalyptic number.

It is an amenable number.

32138201 is a deficient number, since it is larger than the sum of its proper divisors (1).

32138201 is an equidigital number, since it uses as much as digits as its factorization.

32138201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 32138201 is about 5669.0564470642. The cubic root of 32138201 is about 317.9365965388.

The spelling of 32138201 in words is "thirty-two million, one hundred thirty-eight thousand, two hundred one".