4278259 has 4 divisors (see below), whose sum is σ = 4320720. Its totient is φ = 4235800.

The previous prime is 4278257. The next prime is 4278289. The reversal of 4278259 is 9528724.

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 4278259 - 2¹ = 4278257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4278257) 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, 21079 + ... + 21280.

It is an arithmetic number, because the mean of its divisors is an integer number (1080180).

Almost surely, 2^4278259 is an apocalyptic number.

4278259 is a deficient number, since it is larger than the sum of its proper divisors (42461).

4278259 is a wasteful number, since it uses less digits than its factorization.

4278259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42460.

The product of its digits is 40320, while the sum is 37.

The square root of 4278259 is about 2068.3952717022. The cubic root of 4278259 is about 162.3388097871.

The spelling of 4278259 in words is "four million, two hundred seventy-eight thousand, two hundred fifty-nine".