2553263 has 4 divisors (see below), whose sum is σ = 2568720. Its totient is φ = 2537808.

The previous prime is 2553251. The next prime is 2553283. The reversal of 2553263 is 3623552.

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 2553263 - 2¹⁰ = 2552239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553203) 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, 7478 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (642180).

2^2553263 is an apocalyptic number.

2553263 is a deficient number, since it is larger than the sum of its proper divisors (15457).

2553263 is a wasteful number, since it uses less digits than its factorization.

2553263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456.

The product of its digits is 5400, while the sum is 26.

The square root of 2553263 is about 1597.8933005680. The cubic root of 2553263 is about 136.6779691888.

The spelling of 2553263 in words is "two million, five hundred fifty-three thousand, two hundred sixty-three".