32138437 has 2 divisors, whose sum is σ = 32138438. Its totient is φ = 32138436.

The previous prime is 32138423. The next prime is 32138453. The reversal of 32138437 is 73483123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31877316 + 261121 = 5646^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 32138437 - 2¹¹ = 32136389 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 32138399 and 32138408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32138417) 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, 16069218 + 16069219.

It is an arithmetic number, because the mean of its divisors is an integer number (16069219).

Almost surely, 2^32138437 is an apocalyptic number.

It is an amenable number.

32138437 is a deficient number, since it is larger than the sum of its proper divisors (1).

32138437 is an equidigital number, since it uses as much as digits as its factorization.

32138437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 32138437 is about 5669.0772617773. The cubic root of 32138437 is about 317.9373747700.

The spelling of 32138437 in words is "thirty-two million, one hundred thirty-eight thousand, four hundred thirty-seven".