5749421 has 2 divisors, whose sum is σ = 5749422. Its totient is φ = 5749420.

The previous prime is 5749411. The next prime is 5749427. The reversal of 5749421 is 1249475.

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., 4452100 + 1297321 = 2110^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 5749421 - 2²² = 1555117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5749427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2874710 + 2874711.

It is an arithmetic number, because the mean of its divisors is an integer number (2874711).

Almost surely, 2^5749421 is an apocalyptic number.

It is an amenable number.

5749421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5749421 is an equidigital number, since it uses as much as digits as its factorization.

5749421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 5749421 is about 2397.7950287712. The cubic root of 5749421 is about 179.1463800599.

The spelling of 5749421 in words is "five million, seven hundred forty-nine thousand, four hundred twenty-one".