5991149 has 2 divisors, whose sum is σ = 5991150. Its totient is φ = 5991148.

The previous prime is 5991131. The next prime is 5991169. The reversal of 5991149 is 9411995.

5991149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 2449225 = 1882^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 5991149 - 2⁸ = 5990893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5991169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995574 + 2995575.

It is an arithmetic number, because the mean of its divisors is an integer number (2995575).

Almost surely, 2^5991149 is an apocalyptic number.

It is an amenable number.

5991149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991149 is an equidigital number, since it uses as much as digits as its factorization.

5991149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The square root of 5991149 is about 2447.6823731849. The cubic root of 5991149 is about 181.6226634533.

The spelling of 5991149 in words is "five million, nine hundred ninety-one thousand, one hundred forty-nine".