5042749 has 2 divisors, whose sum is σ = 5042750. Its totient is φ = 5042748.

The previous prime is 5042729. The next prime is 5042753. The reversal of 5042749 is 9472405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 47524 = 2235^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 5042749 - 2⁵ = 5042717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5042749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5042729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2521374 + 2521375.

It is an arithmetic number, because the mean of its divisors is an integer number (2521375).

Almost surely, 2^5042749 is an apocalyptic number.

It is an amenable number.

5042749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5042749 is an equidigital number, since it uses as much as digits as its factorization.

5042749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5042749 is about 2245.6065995628. The cubic root of 5042749 is about 171.4835441092.

The spelling of 5042749 in words is "five million, forty-two thousand, seven hundred forty-nine".