32142389 has 2 divisors, whose sum is σ = 32142390. Its totient is φ = 32142388.

The previous prime is 32142377. The next prime is 32142403. The reversal of 32142389 is 98324123.

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., 20295025 + 11847364 = 4505^2 + 3442^2 .

It is a cyclic number.

It is not a de Polignac number, because 32142389 - 2⁴ = 32142373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32142349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071194 + 16071195.

It is an arithmetic number, because the mean of its divisors is an integer number (16071195).

Almost surely, 2^32142389 is an apocalyptic number.

It is an amenable number.

32142389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32142389 is an equidigital number, since it uses as much as digits as its factorization.

32142389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 32142389 is about 5669.4258086688. The cubic root of 32142389 is about 317.9504062792.

The spelling of 32142389 in words is "thirty-two million, one hundred forty-two thousand, three hundred eighty-nine".