32128937 has 2 divisors, whose sum is σ = 32128938. Its totient is φ = 32128936.

The previous prime is 32128931. The next prime is 32128939. The reversal of 32128937 is 73982123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27415696 + 4713241 = 5236^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 32128937 - 2¹⁶ = 32063401 is a prime.

Together with 32128939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 32128897 and 32128906.

It is not a weakly prime, because it can be changed into another prime (32128931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16064468 + 16064469.

It is an arithmetic number, because the mean of its divisors is an integer number (16064469).

Almost surely, 2^32128937 is an apocalyptic number.

It is an amenable number.

32128937 is a deficient number, since it is larger than the sum of its proper divisors (1).

32128937 is an equidigital number, since it uses as much as digits as its factorization.

32128937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 32128937 is about 5668.2393209885. The cubic root of 32128937 is about 317.9060446557.

The spelling of 32128937 in words is "thirty-two million, one hundred twenty-eight thousand, nine hundred thirty-seven".