245533 has 2 divisors, whose sum is σ = 245534. Its totient is φ = 245532.

The previous prime is 245527. The next prime is 245561. The reversal of 245533 is 335542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 49284 = 443^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 245533 - 2⁵ = 245501 is a prime.

245533 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245513) 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 as a sum of consecutive naturals, namely, 122766 + 122767.

It is an arithmetic number, because the mean of its divisors is an integer number (122767).

2²⁴⁵⁵³³ is an apocalyptic number.

It is an amenable number.

245533 is a deficient number, since it is larger than the sum of its proper divisors (1).

245533 is an equidigital number, since it uses as much as digits as its factorization.

245533 is an odious number, because the sum of its binary digits is odd.

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

The square root of 245533 is about 495.5128656251. The cubic root of 245533 is about 62.6185908371.

Subtracting 245533 from its reverse (335542), we obtain a palindrome (90009).

The spelling of 245533 in words is "two hundred forty-five thousand, five hundred thirty-three".