2558263 has 4 divisors (see below), whose sum is σ = 2582280. Its totient is φ = 2534248.

The previous prime is 2558251. The next prime is 2558287. The reversal of 2558263 is 3628552.

It is a happy number.

2558263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-2558263 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁴ + 5² + 5⁹ + 8⁴ + 2¹⁹ + 6⁴ + 3¹⁰ .

It is a Duffinian number.

2558263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558203) 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, 11848 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (645570).

2^2558263 is an apocalyptic number.

2558263 is a deficient number, since it is larger than the sum of its proper divisors (24017).

2558263 is a wasteful number, since it uses less digits than its factorization.

2558263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24016.

The product of its digits is 14400, while the sum is 31.

The square root of 2558263 is about 1599.4570953921. The cubic root of 2558263 is about 136.7671288565.

The spelling of 2558263 in words is "two million, five hundred fifty-eight thousand, two hundred sixty-three".