39091061 has 2 divisors, whose sum is σ = 39091062. Its totient is φ = 39091060.

The previous prime is 39091033. The next prime is 39091067. The reversal of 39091061 is 16019093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 28561 = 6250^2 + 169^2 .

It is an emirp because it is prime and its reverse (16019093) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39091061 is a prime.

It is a super-2 number, since 2×39091061² = 3056222100211442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39091067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19545530 + 19545531.

It is an arithmetic number, because the mean of its divisors is an integer number (19545531).

Almost surely, 2^39091061 is an apocalyptic number.

It is an amenable number.

39091061 is a deficient number, since it is larger than the sum of its proper divisors (1).

39091061 is an equidigital number, since it uses as much as digits as its factorization.

39091061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 39091061 is about 6252.2844624985. The cubic root of 39091061 is about 339.3848768417.

The spelling of 39091061 in words is "thirty-nine million, ninety-one thousand, sixty-one".