5098565 has 4 divisors (see below), whose sum is σ = 6118284. Its totient is φ = 4078848.

The previous prime is 5098559. The next prime is 5098567. The reversal of 5098565 is 5658905.

It is a Cunningham number, because it is equal to 2258²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1833316 + 3265249 = 1354^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 5098565 - 2⁴ = 5098549 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5098567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509852 + ... + 509861.

It is an arithmetic number, because the mean of its divisors is an integer number (1529571).

Almost surely, 2^5098565 is an apocalyptic number.

It is an amenable number.

5098565 is a deficient number, since it is larger than the sum of its proper divisors (1019719).

5098565 is a wasteful number, since it uses less digits than its factorization.

5098565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019718.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 5098565 is about 2258.0002214349. Note that the first 3 decimals coincide. The cubic root of 5098565 is about 172.1139163334.

It can be divided in two parts, 50985 and 65, that multiplied together give a triangular number (3314025 = T₂₅₇₄).

The spelling of 5098565 in words is "five million, ninety-eight thousand, five hundred sixty-five".