5221256521225 has 24 divisors (see below), whose sum is σ = 6555516482592. Its totient is φ = 4124693414400.

The previous prime is 5221256521081. The next prime is 5221256521279.

5221256521225 is nontrivially palindromic in base 10.

5221256521225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5221256521225 - 2²¹ = 5221254424073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3713494 + ... + 4922656.

It is an arithmetic number, because the mean of its divisors is an integer number (273146520108).

Almost surely, 2^{5221256521225} is an apocalyptic number.

It is an amenable number.

5221256521225 is a deficient number, since it is larger than the sum of its proper divisors (1334259961367).

5221256521225 is a wasteful number, since it uses less digits than its factorization.

5221256521225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211337 (or 1211332 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The spelling of 5221256521225 in words is "five trillion, two hundred twenty-one billion, two hundred fifty-six million, five hundred twenty-one thousand, two hundred twenty-five".