32152189 has 2 divisors, whose sum is σ = 32152190. Its totient is φ = 32152188.

The previous prime is 32152181. The next prime is 32152201. The reversal of 32152189 is 98125123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31416025 + 736164 = 5605^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 32152189 - 2³ = 32152181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32152189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32152181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16076094 + 16076095.

It is an arithmetic number, because the mean of its divisors is an integer number (16076095).

Almost surely, 2^32152189 is an apocalyptic number.

It is an amenable number.

32152189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32152189 is an equidigital number, since it uses as much as digits as its factorization.

32152189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 32152189 is about 5670.2900278557. The cubic root of 32152189 is about 317.9827166483.

The spelling of 32152189 in words is "thirty-two million, one hundred fifty-two thousand, one hundred eighty-nine".