4255903 has 4 divisors (see below), whose sum is σ = 4260280. Its totient is φ = 4251528.

The previous prime is 4255879. The next prime is 4255913. The reversal of 4255903 is 3095524.

4255903 is a nontrivial binomial coefficient, being equal to C(2918, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(4255903) divides (4255903-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4255903 is a prime.

It is a super-2 number, since 2×4255903² = 36225420690818, which contains 22 as substring.

It is a deceptive number, since it divides R_4255902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (1065070).

Almost surely, 2^4255903 is an apocalyptic number.

4255903 is the 2917-th triangular number and also the 1459-th hexagonal number.

4255903 is the 973-rd centered nonagonal number.

4255903 is a deficient number, since it is larger than the sum of its proper divisors (4377).

4255903 is a wasteful number, since it uses less digits than its factorization.

4255903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4255903 is about 2062.9840038158. The cubic root of 4255903 is about 162.0555492071.

It can be divided in two parts, 425 and 5903, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 4255903 in words is "four million, two hundred fifty-five thousand, nine hundred three".