4243567 has 4 divisors (see below), whose sum is σ = 4358296. Its totient is φ = 4128840.

The previous prime is 4243549. The next prime is 4243571. The reversal of 4243567 is 7653424.

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

It is a cyclic number.

It is not a de Polignac number, because 4243567 - 2⁷ = 4243439 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 2⁵ + 4¹¹ + 3⁷ + 5³ + 6⁶ + 7 .

It is a Duffinian number.

4243567 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57309 + ... + 57382.

It is an arithmetic number, because the mean of its divisors is an integer number (1089574).

Almost surely, 2^4243567 is an apocalyptic number.

4243567 is a deficient number, since it is larger than the sum of its proper divisors (114729).

4243567 is a wasteful number, since it uses less digits than its factorization.

4243567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114728.

The product of its digits is 20160, while the sum is 31.

The square root of 4243567 is about 2059.9919902757. The cubic root of 4243567 is about 161.8988216459.

The spelling of 4243567 in words is "four million, two hundred forty-three thousand, five hundred sixty-seven".