5263638 has 16 divisors (see below), whose sum is σ = 10646640. Its totient is φ = 1734656.

The previous prime is 5263637. The next prime is 5263639. The reversal of 5263638 is 8363625.

It is an interprime number because it is at equal distance from previous prime (5263637) and next prime (5263639).

It is a junction number, because it is equal to n+sod(n) for n = 5263599 and 5263608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4395 + ... + 5462.

It is an arithmetic number, because the mean of its divisors is an integer number (665415).

Almost surely, 2^5263638 is an apocalyptic number.

5263638 is an abundant number, since it is smaller than the sum of its proper divisors (5383002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5263638 is a wasteful number, since it uses less digits than its factorization.

5263638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951.

The product of its digits is 25920, while the sum is 33.

The square root of 5263638 is about 2294.2619728357. The cubic root of 5263638 is about 173.9516975186.

The spelling of 5263638 in words is "five million, two hundred sixty-three thousand, six hundred thirty-eight".