5236921 has 4 divisors (see below), whose sum is σ = 5315152. Its totient is φ = 5158692.

The previous prime is 5236919. The next prime is 5236937. The reversal of 5236921 is 1296325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5236921 - 2¹ = 5236919 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5236921.

It is not an unprimeable number, because it can be changed into a prime (5236961) 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, 39015 + ... + 39148.

It is an arithmetic number, because the mean of its divisors is an integer number (1328788).

Almost surely, 2^5236921 is an apocalyptic number.

It is an amenable number.

5236921 is a deficient number, since it is larger than the sum of its proper divisors (78231).

5236921 is an equidigital number, since it uses as much as digits as its factorization.

5236921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78230.

The product of its digits is 3240, while the sum is 28.

The square root of 5236921 is about 2288.4319959308. The cubic root of 5236921 is about 173.6568853940.

The spelling of 5236921 in words is "five million, two hundred thirty-six thousand, nine hundred twenty-one".