5037821 has 4 divisors (see below), whose sum is σ = 5058144. Its totient is φ = 5017500.

The previous prime is 5037817. The next prime is 5037827. The reversal of 5037821 is 1287305.

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 5037821 - 2² = 5037817 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 (5037827) 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, 9785 + ... + 10286.

It is an arithmetic number, because the mean of its divisors is an integer number (1264536).

Almost surely, 2^5037821 is an apocalyptic number.

It is an amenable number.

5037821 is a deficient number, since it is larger than the sum of its proper divisors (20323).

5037821 is a wasteful number, since it uses less digits than its factorization.

5037821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5037821 is about 2244.5090777272. The cubic root of 5037821 is about 171.4276654383.

The spelling of 5037821 in words is "five million, thirty-seven thousand, eight hundred twenty-one".