5263999 has 8 divisors (see below), whose sum is σ = 6002640. Its totient is φ = 4573056.

The previous prime is 5263997. The next prime is 5264003. The reversal of 5263999 is 9993625.

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

It is a cyclic number.

It is not a de Polignac number, because 5263999 - 2¹ = 5263997 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 (5263991) 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, 11689 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (750330).

Almost surely, 2^5263999 is an apocalyptic number.

5263999 is a deficient number, since it is larger than the sum of its proper divisors (738641).

5263999 is a wasteful number, since it uses less digits than its factorization.

5263999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849.

The product of its digits is 131220, while the sum is 43.

The square root of 5263999 is about 2294.3406460245. The cubic root of 5263999 is about 173.9556741806.

The spelling of 5263999 in words is "five million, two hundred sixty-three thousand, nine hundred ninety-nine".