39375137 has 2 divisors, whose sum is σ = 39375138. Its totient is φ = 39375136.

The previous prime is 39375097. The next prime is 39375157. The reversal of 39375137 is 73157393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31315216 + 8059921 = 5596^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 39375137 - 2²⁴ = 22597921 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39375137.

It is not a weakly prime, because it can be changed into another prime (39375157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19687568 + 19687569.

It is an arithmetic number, because the mean of its divisors is an integer number (19687569).

Almost surely, 2^39375137 is an apocalyptic number.

It is an amenable number.

39375137 is a deficient number, since it is larger than the sum of its proper divisors (1).

39375137 is an equidigital number, since it uses as much as digits as its factorization.

39375137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 38.

The square root of 39375137 is about 6274.9611154174. The cubic root of 39375137 is about 340.2050003626.

The spelling of 39375137 in words is "thirty-nine million, three hundred seventy-five thousand, one hundred thirty-seven".