5070821 has 4 divisors (see below), whose sum is σ = 5795232. Its totient is φ = 4346412.

The previous prime is 5070817. The next prime is 5070823. The reversal of 5070821 is 1280705.

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 not a de Polignac number, because 5070821 - 2² = 5070817 is a prime.

It is a super-2 number, since 2×5070821² = 51426451228082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5070823) 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, 362195 + ... + 362208.

It is an arithmetic number, because the mean of its divisors is an integer number (1448808).

Almost surely, 2^5070821 is an apocalyptic number.

It is an amenable number.

5070821 is a deficient number, since it is larger than the sum of its proper divisors (724411).

5070821 is an equidigital number, since it uses as much as digits as its factorization.

5070821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724410.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 5070821 is about 2251.8483519100. The cubic root of 5070821 is about 171.8011606129.

The spelling of 5070821 in words is "five million, seventy thousand, eight hundred twenty-one".