5981749 has 2 divisors, whose sum is σ = 5981750. Its totient is φ = 5981748.

The previous prime is 5981719. The next prime is 5981797. The reversal of 5981749 is 9471895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 101124 = 2425^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 5981749 - 2⁹ = 5981237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5981719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990874 + 2990875.

It is an arithmetic number, because the mean of its divisors is an integer number (2990875).

Almost surely, 2^5981749 is an apocalyptic number.

It is an amenable number.

5981749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981749 is an equidigital number, since it uses as much as digits as its factorization.

5981749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 5981749 is about 2445.7614356270. The cubic root of 5981749 is about 181.5276262187.

The spelling of 5981749 in words is "five million, nine hundred eighty-one thousand, seven hundred forty-nine".