39130961 has 2 divisors, whose sum is σ = 39130962. Its totient is φ = 39130960.

The previous prime is 39130901. The next prime is 39130967. The reversal of 39130961 is 16903193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24690961 + 14440000 = 4969^2 + 3800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39130961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39130967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19565480 + 19565481.

It is an arithmetic number, because the mean of its divisors is an integer number (19565481).

Almost surely, 2^39130961 is an apocalyptic number.

It is an amenable number.

39130961 is a deficient number, since it is larger than the sum of its proper divisors (1).

39130961 is an equidigital number, since it uses as much as digits as its factorization.

39130961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 39130961 is about 6255.4744824034. The cubic root of 39130961 is about 339.5003069139.

The spelling of 39130961 in words is "thirty-nine million, one hundred thirty thousand, nine hundred sixty-one".