6542263 has 16 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 4870656.

The previous prime is 6542257. The next prime is 6542279. The reversal of 6542263 is 3622456.

It is a happy number.

It is not a de Polignac number, because 6542263 - 2⁹ = 6541751 is a prime.

It is a super-2 number, since 2×6542263² = 85602410322338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (532980).

Almost surely, 2^6542263 is an apocalyptic number.

6542263 is a deficient number, since it is larger than the sum of its proper divisors (1985417).

6542263 is a wasteful number, since it uses less digits than its factorization.

6542263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

The product of its digits is 8640, while the sum is 28.

The square root of 6542263 is about 2557.7847837533. The cubic root of 6542263 is about 187.0291641437.

The spelling of 6542263 in words is "six million, five hundred forty-two thousand, two hundred sixty-three".