39705241 has 2 divisors, whose sum is σ = 39705242. Its totient is φ = 39705240.

The previous prime is 39705223. The next prime is 39705247. The reversal of 39705241 is 14250793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 2544025 = 6096^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 39705241 - 2⁵ = 39705209 is a prime.

It is not a weakly prime, because it can be changed into another prime (39705247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19852620 + 19852621.

It is an arithmetic number, because the mean of its divisors is an integer number (19852621).

Almost surely, 2^39705241 is an apocalyptic number.

It is an amenable number.

39705241 is a deficient number, since it is larger than the sum of its proper divisors (1).

39705241 is an equidigital number, since it uses as much as digits as its factorization.

39705241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 39705241 is about 6301.2094870747. The cubic root of 39705241 is about 341.1530660736.

The spelling of 39705241 in words is "thirty-nine million, seven hundred five thousand, two hundred forty-one".