39112973 has 2 divisors, whose sum is σ = 39112974. Its totient is φ = 39112972.

The previous prime is 39112961. The next prime is 39112981. The reversal of 39112973 is 37921193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 3912484 = 5933^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 39112973 - 2¹⁰ = 39111949 is a prime.

It is a super-3 number, since 3×39112973³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39112933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19556486 + 19556487.

It is an arithmetic number, because the mean of its divisors is an integer number (19556487).

Almost surely, 2^39112973 is an apocalyptic number.

It is an amenable number.

39112973 is a deficient number, since it is larger than the sum of its proper divisors (1).

39112973 is an equidigital number, since it uses as much as digits as its factorization.

39112973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 39112973 is about 6254.0365365098. The cubic root of 39112973 is about 339.4482776310.

The spelling of 39112973 in words is "thirty-nine million, one hundred twelve thousand, nine hundred seventy-three".