5091517 has 4 divisors (see below), whose sum is σ = 5391036. Its totient is φ = 4792000.

The previous prime is 5091509. The next prime is 5091521. The reversal of 5091517 is 7151905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7151905 = 5 ⋅1430381.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 2859481 = 1494^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5091517 - 2³ = 5091509 is a prime.

It is a super-2 number, since 2×5091517² = 51847090722578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149734 + ... + 149767.

It is an arithmetic number, because the mean of its divisors is an integer number (1347759).

Almost surely, 2^5091517 is an apocalyptic number.

It is an amenable number.

5091517 is a deficient number, since it is larger than the sum of its proper divisors (299519).

5091517 is a wasteful number, since it uses less digits than its factorization.

5091517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299518.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 5091517 is about 2256.4390087038. The cubic root of 5091517 is about 172.0345725528.

The spelling of 5091517 in words is "five million, ninety-one thousand, five hundred seventeen".