5253639 has 4 divisors (see below), whose sum is σ = 7004856. Its totient is φ = 3502424.

The previous prime is 5253631. The next prime is 5253643. The reversal of 5253639 is 9363525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5253639 - 2³ = 5253631 is a prime.

It is a D-number.

5253639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5253631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875604 + ... + 875609.

It is an arithmetic number, because the mean of its divisors is an integer number (1751214).

Almost surely, 2^5253639 is an apocalyptic number.

5253639 is a deficient number, since it is larger than the sum of its proper divisors (1751217).

5253639 is a wasteful number, since it uses less digits than its factorization.

5253639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751216.

The product of its digits is 24300, while the sum is 33.

The square root of 5253639 is about 2292.0818048229. The cubic root of 5253639 is about 173.8414793539.

The spelling of 5253639 in words is "five million, two hundred fifty-three thousand, six hundred thirty-nine".