2542263 has 8 divisors (see below), whose sum is σ = 3405168. Its totient is φ = 1687104.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542263 is 3622452.

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

It is not a de Polignac number, because 2542263 - 2¹⁷ = 2411191 is a prime.

It is a super-2 number, since 2×2542263² = 12926202322338, which contains 22 as substring.

2542263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (425646).

2^2542263 is an apocalyptic number.

2542263 is a deficient number, since it is larger than the sum of its proper divisors (862905).

2542263 is a wasteful number, since it uses less digits than its factorization.

2542263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its digits is 2880, while the sum is 24.

The square root of 2542263 is about 1594.4475532296. The cubic root of 2542263 is about 136.4814073886.

The spelling of 2542263 in words is "two million, five hundred forty-two thousand, two hundred sixty-three".