4172459 has 4 divisors (see below), whose sum is σ = 4188240. Its totient is φ = 4156680.

The previous prime is 4172431. The next prime is 4172471. The reversal of 4172459 is 9542714.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4172459 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4172479) 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, 7487 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (1047060).

Almost surely, 2^4172459 is an apocalyptic number.

4172459 is a deficient number, since it is larger than the sum of its proper divisors (15781).

4172459 is a wasteful number, since it uses less digits than its factorization.

4172459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15780.

The product of its digits is 10080, while the sum is 32.

The square root of 4172459 is about 2042.6597856716. The cubic root of 4172459 is about 160.9894287261.

The spelling of 4172459 in words is "four million, one hundred seventy-two thousand, four hundred fifty-nine".