5421517 has 4 divisors (see below), whose sum is σ = 5706880. Its totient is φ = 5136156.

The previous prime is 5421511. The next prime is 5421527. The reversal of 5421517 is 7151245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-5421517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421491 and 5421500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421511) 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, 142653 + ... + 142690.

It is an arithmetic number, because the mean of its divisors is an integer number (1426720).

Almost surely, 2^5421517 is an apocalyptic number.

It is an amenable number.

5421517 is a deficient number, since it is larger than the sum of its proper divisors (285363).

5421517 is a wasteful number, since it uses less digits than its factorization.

5421517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285362.

The product of its digits is 1400, while the sum is 25.

The square root of 5421517 is about 2328.4151262178. The cubic root of 5421517 is about 175.6737780276.

The spelling of 5421517 in words is "five million, four hundred twenty-one thousand, five hundred seventeen".