220530523 has 2 divisors, whose sum is σ = 220530524. Its totient is φ = 220530522.

The previous prime is 220530493. The next prime is 220530553. The reversal of 220530523 is 325035022.

220530523 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 (220530493) and next prime (220530553).

It is a cyclic number.

It is not a de Polignac number, because 220530523 - 2¹⁷ = 220399451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220530494 and 220530503.

It is not a weakly prime, because it can be changed into another prime (220530553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110265261 + 110265262.

It is an arithmetic number, because the mean of its divisors is an integer number (110265262).

Almost surely, 2^220530523 is an apocalyptic number.

220530523 is a deficient number, since it is larger than the sum of its proper divisors (1).

220530523 is an equidigital number, since it uses as much as digits as its factorization.

220530523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 220530523 is about 14850.2701322232. The cubic root of 220530523 is about 604.1659367115.

Adding to 220530523 its reverse (325035022), we get a palindrome (545565545).

The spelling of 220530523 in words is "two hundred twenty million, five hundred thirty thousand, five hundred twenty-three".