5209081 has 8 divisors (see below), whose sum is σ = 5326560. Its totient is φ = 5093088.

The previous prime is 5209069. The next prime is 5209093. The reversal of 5209081 is 1809025.

It is an interprime number because it is at equal distance from previous prime (5209069) and next prime (5209093).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5209081 - 2⁹ = 5208569 is a prime.

It is a super-2 number, since 2×5209081² = 54269049729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5209031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (665820).

Almost surely, 2^5209081 is an apocalyptic number.

It is an amenable number.

5209081 is a deficient number, since it is larger than the sum of its proper divisors (117479).

5209081 is a wasteful number, since it uses less digits than its factorization.

5209081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 5209081 is about 2282.3411226195. The cubic root of 5209081 is about 173.3486126406.

The spelling of 5209081 in words is "five million, two hundred nine thousand, eighty-one".