223125533 has 2 divisors, whose sum is σ = 223125534. Its totient is φ = 223125532.

The previous prime is 223125517. The next prime is 223125541. The reversal of 223125533 is 335521322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222994489 + 131044 = 14933^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 223125533 - 2⁴ = 223125517 is a prime.

It is a super-3 number, since 3×223125533³ (a number of 26 digits) contains 333 as substring.

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 (223125583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111562766 + 111562767.

It is an arithmetic number, because the mean of its divisors is an integer number (111562767).

Almost surely, 2^223125533 is an apocalyptic number.

It is an amenable number.

223125533 is a deficient number, since it is larger than the sum of its proper divisors (1).

223125533 is an equidigital number, since it uses as much as digits as its factorization.

223125533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 223125533 is about 14937.3870874394. The cubic root of 223125533 is about 606.5264670525.

Adding to 223125533 its reverse (335521322), we get a palindrome (558646855).

The spelling of 223125533 in words is "two hundred twenty-three million, one hundred twenty-five thousand, five hundred thirty-three".