39225617 has 2 divisors, whose sum is σ = 39225618. Its totient is φ = 39225616.

The previous prime is 39225581. The next prime is 39225629. The reversal of 39225617 is 71652293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20830096 + 18395521 = 4564^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 39225617 - 2⁶ = 39225553 is a prime.

It is not a weakly prime, because it can be changed into another prime (39225517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19612808 + 19612809.

It is an arithmetic number, because the mean of its divisors is an integer number (19612809).

Almost surely, 2^39225617 is an apocalyptic number.

It is an amenable number.

39225617 is a deficient number, since it is larger than the sum of its proper divisors (1).

39225617 is an equidigital number, since it uses as much as digits as its factorization.

39225617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 39225617 is about 6263.0357655054. The cubic root of 39225617 is about 339.7738317083.

The spelling of 39225617 in words is "thirty-nine million, two hundred twenty-five thousand, six hundred seventeen".