5121517 has 4 divisors (see below), whose sum is σ = 5126716. Its totient is φ = 5116320.

The previous prime is 5121511. The next prime is 5121521. The reversal of 5121517 is 7151215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7151215 = 5 ⋅1430243.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 1920996 = 1789^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121517 - 2¹¹ = 5119469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121511) 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, 618 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (1281679).

Almost surely, 2^5121517 is an apocalyptic number.

It is an amenable number.

5121517 is a deficient number, since it is larger than the sum of its proper divisors (5199).

5121517 is a wasteful number, since it uses less digits than its factorization.

5121517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its digits is 350, while the sum is 22.

The square root of 5121517 is about 2263.0768877791. The cubic root of 5121517 is about 172.3717957999.

The spelling of 5121517 in words is "five million, one hundred twenty-one thousand, five hundred seventeen".