5245729 has 4 divisors (see below), whose sum is σ = 5521840. Its totient is φ = 4969620.

The previous prime is 5245711. The next prime is 5245733. The reversal of 5245729 is 9275425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5245729 - 2¹⁹ = 4721441 is a prime.

It is a Duffinian number.

5245729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5245694 and 5245703.

It is not an unprimeable number, because it can be changed into a prime (5245759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138027 + ... + 138064.

It is an arithmetic number, because the mean of its divisors is an integer number (1380460).

Almost surely, 2^5245729 is an apocalyptic number.

It is an amenable number.

5245729 is a deficient number, since it is larger than the sum of its proper divisors (276111).

5245729 is a wasteful number, since it uses less digits than its factorization.

5245729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276110.

The product of its digits is 25200, while the sum is 34.

The square root of 5245729 is about 2290.3556492388. The cubic root of 5245729 is about 173.7541889506.

The spelling of 5245729 in words is "five million, two hundred forty-five thousand, seven hundred twenty-nine".