39122497 has 2 divisors, whose sum is σ = 39122498. Its totient is φ = 39122496.

The previous prime is 39122453. The next prime is 39122507. The reversal of 39122497 is 79422193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35058241 + 4064256 = 5921^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 39122497 - 2²³ = 30733889 is a prime.

It is not a weakly prime, because it can be changed into another prime (39122437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19561248 + 19561249.

It is an arithmetic number, because the mean of its divisors is an integer number (19561249).

Almost surely, 2^39122497 is an apocalyptic number.

It is an amenable number.

39122497 is a deficient number, since it is larger than the sum of its proper divisors (1).

39122497 is an equidigital number, since it uses as much as digits as its factorization.

39122497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 39122497 is about 6254.7979183983. The cubic root of 39122497 is about 339.4758272544.

The spelling of 39122497 in words is "thirty-nine million, one hundred twenty-two thousand, four hundred ninety-seven".