5026821 has 4 divisors (see below), whose sum is σ = 6702432. Its totient is φ = 3351212.

The previous prime is 5026817. The next prime is 5026823. The reversal of 5026821 is 1286205.

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 5026821 - 2² = 5026817 is a prime.

It is a D-number.

5026821 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5026791 and 5026800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5026823) 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, 837801 + ... + 837806.

It is an arithmetic number, because the mean of its divisors is an integer number (1675608).

Almost surely, 2^5026821 is an apocalyptic number.

It is an amenable number.

5026821 is a deficient number, since it is larger than the sum of its proper divisors (1675611).

5026821 is a wasteful number, since it uses less digits than its factorization.

5026821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675610.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5026821 is about 2242.0573141648. The cubic root of 5026821 is about 171.3028046797.

The spelling of 5026821 in words is "five million, twenty-six thousand, eight hundred twenty-one".