5263643 has 16 divisors (see below), whose sum is σ = 6614784. Its totient is φ = 4068960.

The previous prime is 5263639. The next prime is 5263649. The reversal of 5263643 is 3463625.

It is not a de Polignac number, because 5263643 - 2² = 5263639 is a prime.

It is a d-powerful number, because it can be written as 5⁹ + 2²¹ + 6² + 3¹⁰ + 6⁶ + 4¹⁰ + 3¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (5263649) 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, 14996 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (413424).

Almost surely, 2^5263643 is an apocalyptic number.

5263643 is a deficient number, since it is larger than the sum of its proper divisors (1351141).

5263643 is a wasteful number, since it uses less digits than its factorization.

5263643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 12960, while the sum is 29.

The square root of 5263643 is about 2294.2630625105. The cubic root of 5263643 is about 173.9517525983.

The spelling of 5263643 in words is "five million, two hundred sixty-three thousand, six hundred forty-three".