39070249 has 2 divisors, whose sum is σ = 39070250. Its totient is φ = 39070248.

The previous prime is 39070243. The next prime is 39070271. The reversal of 39070249 is 94207093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38378025 + 692224 = 6195^2 + 832^2 .

It is an emirp because it is prime and its reverse (94207093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39070249 - 2⁵ = 39070217 is a prime.

It is not a weakly prime, because it can be changed into another prime (39070243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19535124 + 19535125.

It is an arithmetic number, because the mean of its divisors is an integer number (19535125).

Almost surely, 2^39070249 is an apocalyptic number.

It is an amenable number.

39070249 is a deficient number, since it is larger than the sum of its proper divisors (1).

39070249 is an equidigital number, since it uses as much as digits as its factorization.

39070249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 39070249 is about 6250.6198892590. The cubic root of 39070249 is about 339.3246368812.

The spelling of 39070249 in words is "thirty-nine million, seventy thousand, two hundred forty-nine".