4001255 has 8 divisors (see below), whose sum is σ = 4817232. Its totient is φ = 3190528.

The previous prime is 4001243. The next prime is 4001269. The reversal of 4001255 is 5521004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001255 - 2¹⁶ = 3935719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (602154).

Almost surely, 2^4001255 is an apocalyptic number.

4001255 is a deficient number, since it is larger than the sum of its proper divisors (815977).

4001255 is a wasteful number, since it uses less digits than its factorization.

4001255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 4001255 is about 2000.3137253941. The cubic root of 4001255 is about 158.7567050302.

Adding to 4001255 its reverse (5521004), we get a palindrome (9522259).

The spelling of 4001255 in words is "four million, one thousand, two hundred fifty-five".