39075397 has 2 divisors, whose sum is σ = 39075398. Its totient is φ = 39075396.

The previous prime is 39075373. The next prime is 39075403. The reversal of 39075397 is 79357093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 125316 = 6241^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 39075397 - 2⁷ = 39075269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39075307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19537698 + 19537699.

It is an arithmetic number, because the mean of its divisors is an integer number (19537699).

Almost surely, 2^39075397 is an apocalyptic number.

It is an amenable number.

39075397 is a deficient number, since it is larger than the sum of its proper divisors (1).

39075397 is an equidigital number, since it uses as much as digits as its factorization.

39075397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 39075397 is about 6251.0316748518. The cubic root of 39075397 is about 339.3395396658.

The spelling of 39075397 in words is "thirty-nine million, seventy-five thousand, three hundred ninety-seven".