5291004821 has 4 divisors (see below), whose sum is σ = 5291738592. Its totient is φ = 5290271052.

The previous prime is 5291004793. The next prime is 5291004833. The reversal of 5291004821 is 1284001925.

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 5291004821 - 2²² = 5286810517 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 (5291004871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355961 + ... + 370526.

It is an arithmetic number, because the mean of its divisors is an integer number (1322934648).

Almost surely, 2^5291004821 is an apocalyptic number.

It is an amenable number.

5291004821 is a deficient number, since it is larger than the sum of its proper divisors (733771).

5291004821 is an equidigital number, since it uses as much as digits as its factorization.

5291004821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733770.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 5291004821 is about 72739.2935145785. The cubic root of 5291004821 is about 1742.5264769856.

The spelling of 5291004821 in words is "five billion, two hundred ninety-one million, four thousand, eight hundred twenty-one".