5731949 has 2 divisors, whose sum is σ = 5731950. Its totient is φ = 5731948.

The previous prime is 5731919. The next prime is 5731951. The reversal of 5731949 is 9491375.

It is a happy number.

5731949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 1909924 = 1955^2 + 1382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5731949 is a prime.

Together with 5731951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5731919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865974 + 2865975.

It is an arithmetic number, because the mean of its divisors is an integer number (2865975).

Almost surely, 2^5731949 is an apocalyptic number.

It is an amenable number.

5731949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731949 is an equidigital number, since it uses as much as digits as its factorization.

5731949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 5731949 is about 2394.1489093204. The cubic root of 5731949 is about 178.9647257355.

The spelling of 5731949 in words is "five million, seven hundred thirty-one thousand, nine hundred forty-nine".