39913001 has 2 divisors, whose sum is σ = 39913002. Its totient is φ = 39913000.

The previous prime is 39912989. The next prime is 39913007. The reversal of 39913001 is 10031993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28079401 + 11833600 = 5299^2 + 3440^2 .

It is an emirp because it is prime and its reverse (10031993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39913001 - 2⁶ = 39912937 is a prime.

It is not a weakly prime, because it can be changed into another prime (39913007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19956500 + 19956501.

It is an arithmetic number, because the mean of its divisors is an integer number (19956501).

Almost surely, 2^39913001 is an apocalyptic number.

It is an amenable number.

39913001 is a deficient number, since it is larger than the sum of its proper divisors (1).

39913001 is an equidigital number, since it uses as much as digits as its factorization.

39913001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 39913001 is about 6317.6737016088. The cubic root of 39913001 is about 341.7470656984.

Adding to 39913001 its reverse (10031993), we get a palindrome (49944994).

The spelling of 39913001 in words is "thirty-nine million, nine hundred thirteen thousand, one".