4521117 has 4 divisors (see below), whose sum is σ = 6028160. Its totient is φ = 3014076.

The previous prime is 4521113. The next prime is 4521151. The reversal of 4521117 is 7111254.

It is a happy number.

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 not a de Polignac number, because 4521117 - 2² = 4521113 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4521093 and 4521102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521113) 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, 753517 + ... + 753522.

It is an arithmetic number, because the mean of its divisors is an integer number (1507040).

Almost surely, 2^4521117 is an apocalyptic number.

It is an amenable number.

4521117 is a deficient number, since it is larger than the sum of its proper divisors (1507043).

4521117 is a wasteful number, since it uses less digits than its factorization.

4521117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507042.

The product of its digits is 280, while the sum is 21.

The square root of 4521117 is about 2126.2918426218. The cubic root of 4521117 is about 165.3542069372.

The spelling of 4521117 in words is "four million, five hundred twenty-one thousand, one hundred seventeen".