52221253 has 16 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 42260400.

The previous prime is 52221251. The next prime is 52221259. The reversal of 52221253 is 35212225.

52221253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52221253 - 2¹ = 52221251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56868 + ... + 57778.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^52221253 is an apocalyptic number.

It is an amenable number.

52221253 is a deficient number, since it is larger than the sum of its proper divisors (10816187).

52221253 is a wasteful number, since it uses less digits than its factorization.

52221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 1200, while the sum is 22.

The square root of 52221253 is about 7226.4274022507. The cubic root of 52221253 is about 373.7797443918.

Adding to 52221253 its reverse (35212225), we get a palindrome (87433478).

Subtracting from 52221253 its reverse (35212225), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 52221253 in words is "fifty-two million, two hundred twenty-one thousand, two hundred fifty-three".