4515247 has 4 divisors (see below), whose sum is σ = 4925736. Its totient is φ = 4104760.

The previous prime is 4515241. The next prime is 4515299. The reversal of 4515247 is 7425154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4515247 - 2¹⁵ = 4482479 is a prime.

It is a Duffinian number.

4515247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515241) 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, 205228 + ... + 205249.

It is an arithmetic number, because the mean of its divisors is an integer number (1231434).

Almost surely, 2^4515247 is an apocalyptic number.

4515247 is a deficient number, since it is larger than the sum of its proper divisors (410489).

4515247 is a wasteful number, since it uses less digits than its factorization.

4515247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410488.

The product of its digits is 5600, while the sum is 28.

The square root of 4515247 is about 2124.9110569621. The cubic root of 4515247 is about 165.2826133044.

The spelling of 4515247 in words is "four million, five hundred fifteen thousand, two hundred forty-seven".