245994533 has 2 divisors, whose sum is σ = 245994534. Its totient is φ = 245994532.

The previous prime is 245994527. The next prime is 245994557. The reversal of 245994533 is 335499542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203718529 + 42276004 = 14273^2 + 6502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245994533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245994503) 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, 122997266 + 122997267.

It is an arithmetic number, because the mean of its divisors is an integer number (122997267).

Almost surely, 2^245994533 is an apocalyptic number.

It is an amenable number.

245994533 is a deficient number, since it is larger than the sum of its proper divisors (1).

245994533 is an equidigital number, since it uses as much as digits as its factorization.

245994533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 44.

The square root of 245994533 is about 15684.2128587953. The cubic root of 245994533 is about 626.5780139354.

The spelling of 245994533 in words is "two hundred forty-five million, nine hundred ninety-four thousand, five hundred thirty-three".