5253212221 has 8 divisors (see below), whose sum is σ = 5436478080. Its totient is φ = 5070087792.

The previous prime is 5253212197. The next prime is 5253212227. The reversal of 5253212221 is 1222123525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5253212221 - 2⁵ = 5253212189 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 (5253212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43216 + ... + 111238.

It is an arithmetic number, because the mean of its divisors is an integer number (679559760).

Almost surely, 2^5253212221 is an apocalyptic number.

It is an amenable number.

5253212221 is a deficient number, since it is larger than the sum of its proper divisors (183265859).

5253212221 is a wasteful number, since it uses less digits than its factorization.

5253212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70715.

The product of its digits is 2400, while the sum is 25.

The square root of 5253212221 is about 72479.0467721534. The cubic root of 5253212221 is about 1738.3677189288.

Adding to 5253212221 its reverse (1222123525), we get a palindrome (6475335746).

The spelling of 5253212221 in words is "five billion, two hundred fifty-three million, two hundred twelve thousand, two hundred twenty-one".