5859991 has 2 divisors, whose sum is σ = 5859992. Its totient is φ = 5859990.

The previous prime is 5859989. The next prime is 5860033. The reversal of 5859991 is 1999585.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5859991 - 2¹ = 5859989 is a prime.

Together with 5859989, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5859941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2929995 + 2929996.

It is an arithmetic number, because the mean of its divisors is an integer number (2929996).

Almost surely, 2^5859991 is an apocalyptic number.

5859991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5859991 is an equidigital number, since it uses as much as digits as its factorization.

5859991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 46.

The square root of 5859991 is about 2420.7418284485. The cubic root of 5859991 is about 180.2875137612.

The spelling of 5859991 in words is "five million, eight hundred fifty-nine thousand, nine hundred ninety-one".