220553 has 2 divisors, whose sum is σ = 220554. Its totient is φ = 220552.

The previous prime is 220543. The next prime is 220559. The reversal of 220553 is 355022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 29584 = 437^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 220553 - 2⁴ = 220537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (220559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110276 + 110277.

It is an arithmetic number, because the mean of its divisors is an integer number (110277).

2²²⁰⁵⁵³ is an apocalyptic number.

It is an amenable number.

220553 is a deficient number, since it is larger than the sum of its proper divisors (1).

220553 is an equidigital number, since it uses as much as digits as its factorization.

220553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 220553 is about 469.6307059808. The cubic root of 220553 is about 60.4186462028.

Adding to 220553 its reverse (355022), we get a palindrome (575575).

The spelling of 220553 in words is "two hundred twenty thousand, five hundred fifty-three".