5242749 has 12 divisors (see below), whose sum is σ = 7426944. Its totient is φ = 3289024.

The previous prime is 5242729. The next prime is 5242763. The reversal of 5242749 is 9472425.

It is not a de Polignac number, because 5242749 - 2²⁰ = 4194173 is a prime.

It is a Curzon number.

5242749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (618912).

Almost surely, 2^5242749 is an apocalyptic number.

It is an amenable number.

5242749 is a deficient number, since it is larger than the sum of its proper divisors (2184195).

5242749 is a wasteful number, since it uses less digits than its factorization.

5242749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084 (or 6067 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 5242749 is about 2289.7050028333. The cubic root of 5242749 is about 173.7212805559.

The spelling of 5242749 in words is "five million, two hundred forty-two thousand, seven hundred forty-nine".