5249865 has 16 divisors (see below), whose sum is σ = 8765568. Its totient is φ = 2678016.

The previous prime is 5249861. The next prime is 5249869. The reversal of 5249865 is 5689425.

It is an interprime number because it is at equal distance from previous prime (5249861) and next prime (5249869).

It is not a de Polignac number, because 5249865 - 2² = 5249861 is a prime.

It is a super-2 number, since 2×5249865² = 55122165036450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁵ + 2²¹ + 4¹⁰ + 9³ + 8⁷ + 6 + 5⁵ .

It is not an unprimeable number, because it can be changed into a prime (5249861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7264 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (547848).

Almost surely, 2^5249865 is an apocalyptic number.

It is an amenable number.

5249865 is a deficient number, since it is larger than the sum of its proper divisors (3515703).

5249865 is a wasteful number, since it uses less digits than its factorization.

5249865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248.

The product of its digits is 86400, while the sum is 39.

The square root of 5249865 is about 2291.2583878734. The cubic root of 5249865 is about 173.7998425058.

The spelling of 5249865 in words is "five million, two hundred forty-nine thousand, eight hundred sixty-five".