5935991 has 2 divisors, whose sum is σ = 5935992. Its totient is φ = 5935990.

The previous prime is 5935987. The next prime is 5936017. The reversal of 5935991 is 1995395.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5935991 - 2² = 5935987 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5935901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2967995 + 2967996.

It is an arithmetic number, because the mean of its divisors is an integer number (2967996).

Almost surely, 2^5935991 is an apocalyptic number.

5935991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5935991 is an equidigital number, since it uses as much as digits as its factorization.

5935991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54675, while the sum is 41.

The square root of 5935991 is about 2436.3889262595. The cubic root of 5935991 is about 181.0635695434.

The spelling of 5935991 in words is "five million, nine hundred thirty-five thousand, nine hundred ninety-one".