4521317 has 4 divisors (see below), whose sum is σ = 4717920. Its totient is φ = 4324716.

The previous prime is 4521313. The next prime is 4521331. The reversal of 4521317 is 7131254.

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 cyclic number.

It is not a de Polignac number, because 4521317 - 2² = 4521313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 196579 = 4521317 / (4 + 5 + 2 + 1 + 3 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4521292 and 4521301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521311) 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, 98267 + ... + 98312.

It is an arithmetic number, because the mean of its divisors is an integer number (1179480).

Almost surely, 2^4521317 is an apocalyptic number.

It is an amenable number.

4521317 is a deficient number, since it is larger than the sum of its proper divisors (196603).

4521317 is a wasteful number, since it uses less digits than its factorization.

4521317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196602.

The product of its digits is 840, while the sum is 23.

The square root of 4521317 is about 2126.3388723343. The cubic root of 4521317 is about 165.3566451513.

The spelling of 4521317 in words is "four million, five hundred twenty-one thousand, three hundred seventeen".