39697001 has 2 divisors, whose sum is σ = 39697002. Its totient is φ = 39697000.

The previous prime is 39696971. The next prime is 39697003. The reversal of 39697001 is 10079693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39677401 + 19600 = 6299^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 39697001 - 2¹⁴ = 39680617 is a prime.

Together with 39697003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39697003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19848500 + 19848501.

It is an arithmetic number, because the mean of its divisors is an integer number (19848501).

Almost surely, 2^39697001 is an apocalyptic number.

It is an amenable number.

39697001 is a deficient number, since it is larger than the sum of its proper divisors (1).

39697001 is an equidigital number, since it uses as much as digits as its factorization.

39697001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 39697001 is about 6300.5556104204. Note that the first 3 decimals coincide. The cubic root of 39697001 is about 341.1294646910.

The spelling of 39697001 in words is "thirty-nine million, six hundred ninety-seven thousand, one".