39372497 has 2 divisors, whose sum is σ = 39372498. Its totient is φ = 39372496.

The previous prime is 39372467. The next prime is 39372521. The reversal of 39372497 is 79427393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 982081 = 6196^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 39372497 - 2¹⁴ = 39356113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39372407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19686248 + 19686249.

It is an arithmetic number, because the mean of its divisors is an integer number (19686249).

Almost surely, 2^39372497 is an apocalyptic number.

It is an amenable number.

39372497 is a deficient number, since it is larger than the sum of its proper divisors (1).

39372497 is an equidigital number, since it uses as much as digits as its factorization.

39372497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 44.

The square root of 39372497 is about 6274.7507520219. The cubic root of 39372497 is about 340.1973969073.

The spelling of 39372497 in words is "thirty-nine million, three hundred seventy-two thousand, four hundred ninety-seven".