5049749 has 2 divisors, whose sum is σ = 5049750. Its totient is φ = 5049748.

The previous prime is 5049739. The next prime is 5049761. The reversal of 5049749 is 9479405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 165649 = 2210^2 + 407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5049749 is a prime.

It is a Sophie Germain 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 (5049739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2524874 + 2524875.

It is an arithmetic number, because the mean of its divisors is an integer number (2524875).

Almost surely, 2^5049749 is an apocalyptic number.

It is an amenable number.

5049749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5049749 is an equidigital number, since it uses as much as digits as its factorization.

5049749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5049749 is about 2247.1646579635. The cubic root of 5049749 is about 171.5628546735.

The spelling of 5049749 in words is "five million, forty-nine thousand, seven hundred forty-nine".