5136821 has 8 divisors (see below), whose sum is σ = 5554080. Its totient is φ = 4734288.

The previous prime is 5136811. The next prime is 5136841. The reversal of 5136821 is 1286315.

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 5136821 - 2⁶ = 5136757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136811) 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, 2951 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (694260).

Almost surely, 2^5136821 is an apocalyptic number.

It is an amenable number.

5136821 is a deficient number, since it is larger than the sum of its proper divisors (417259).

5136821 is a wasteful number, since it uses less digits than its factorization.

5136821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363.

The product of its digits is 1440, while the sum is 26.

The square root of 5136821 is about 2266.4556029184. The cubic root of 5136821 is about 172.5433175537.

The spelling of 5136821 in words is "five million, one hundred thirty-six thousand, eight hundred twenty-one".