5987749 has 2 divisors, whose sum is σ = 5987750. Its totient is φ = 5987748.

The previous prime is 5987731. The next prime is 5987759. The reversal of 5987749 is 9477895.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3265249 + 2722500 = 1807^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 5987749 - 2¹⁹ = 5463461 is a 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 (5987719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2993874 + 2993875.

It is an arithmetic number, because the mean of its divisors is an integer number (2993875).

Almost surely, 2^5987749 is an apocalyptic number.

It is an amenable number.

5987749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5987749 is an equidigital number, since it uses as much as digits as its factorization.

5987749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 5987749 is about 2446.9877400592. The cubic root of 5987749 is about 181.5882997663.

The spelling of 5987749 in words is "five million, nine hundred eighty-seven thousand, seven hundred forty-nine".