245533243 has 2 divisors, whose sum is σ = 245533244. Its totient is φ = 245533242.

The previous prime is 245533231. The next prime is 245533271. The reversal of 245533243 is 342335542.

245533243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245533243 - 2⁹ = 245532731 is a prime.

It is not a weakly prime, because it can be changed into another prime (245533213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122766621 + 122766622.

It is an arithmetic number, because the mean of its divisors is an integer number (122766622).

Almost surely, 2^245533243 is an apocalyptic number.

245533243 is a deficient number, since it is larger than the sum of its proper divisors (1).

245533243 is an equidigital number, since it uses as much as digits as its factorization.

245533243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 31.

The square root of 245533243 is about 15669.5004068413. The cubic root of 245533243 is about 626.1861149462.

Adding to 245533243 its reverse (342335542), we get a palindrome (587868785).

The spelling of 245533243 in words is "two hundred forty-five million, five hundred thirty-three thousand, two hundred forty-three".