221013053 has 2 divisors, whose sum is σ = 221013054. Its totient is φ = 221013052.

The previous prime is 221013047. The next prime is 221013059. The reversal of 221013053 is 350310122.

221013053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (221013047) and next prime (221013059).

It can be written as a sum of positive squares in only one way, i.e., 118962649 + 102050404 = 10907^2 + 10102^2 .

It is a cyclic number.

It is not a de Polignac number, because 221013053 - 2²⁰ = 219964477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221013059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110506526 + 110506527.

It is an arithmetic number, because the mean of its divisors is an integer number (110506527).

Almost surely, 2^221013053 is an apocalyptic number.

It is an amenable number.

221013053 is a deficient number, since it is larger than the sum of its proper divisors (1).

221013053 is an equidigital number, since it uses as much as digits as its factorization.

221013053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 221013053 is about 14866.5077607352. The cubic root of 221013053 is about 604.6062624894.

Adding to 221013053 its reverse (350310122), we get a palindrome (571323175).

The spelling of 221013053 in words is "two hundred twenty-one million, thirteen thousand, fifty-three".