5991907 has 2 divisors, whose sum is σ = 5991908. Its totient is φ = 5991906.

The previous prime is 5991901. The next prime is 5991943. The reversal of 5991907 is 7091995.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5991907 - 2³ = 5991899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5991907.

It is not a weakly prime, because it can be changed into another prime (5991901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995953 + 2995954.

It is an arithmetic number, because the mean of its divisors is an integer number (2995954).

Almost surely, 2^5991907 is an apocalyptic number.

5991907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991907 is an equidigital number, since it uses as much as digits as its factorization.

5991907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 5991907 is about 2447.8372086395. The cubic root of 5991907 is about 181.6303227617.

The spelling of 5991907 in words is "five million, nine hundred ninety-one thousand, nine hundred seven".