8061931 has 2 divisors, whose sum is σ = 8061932. Its totient is φ = 8061930.

The previous prime is 8061929. The next prime is 8061997. The reversal of 8061931 is 1391608.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8061931 - 2¹ = 8061929 is a prime.

It is a super-2 number, since 2×8061931² = 129989462897522, which contains 22 as substring.

Together with 8061929, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8061931.

It is not a weakly prime, because it can be changed into another prime (8061331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030965 + 4030966.

It is an arithmetic number, because the mean of its divisors is an integer number (4030966).

Almost surely, 2^8061931 is an apocalyptic number.

8061931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8061931 is an equidigital number, since it uses as much as digits as its factorization.

8061931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8061931 is about 2839.3539758191. The cubic root of 8061931 is about 200.5147656118.

The spelling of 8061931 in words is "eight million, sixty-one thousand, nine hundred thirty-one".