245733893 has 2 divisors, whose sum is σ = 245733894. Its totient is φ = 245733892.

The previous prime is 245733889. The next prime is 245733899. The reversal of 245733893 is 398337542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210888484 + 34845409 = 14522^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 245733893 - 2² = 245733889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245733899) 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, 122866946 + 122866947.

It is an arithmetic number, because the mean of its divisors is an integer number (122866947).

Almost surely, 2^245733893 is an apocalyptic number.

It is an amenable number.

245733893 is a deficient number, since it is larger than the sum of its proper divisors (1).

245733893 is an equidigital number, since it uses as much as digits as its factorization.

245733893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 245733893 is about 15675.9016646571. The cubic root of 245733893 is about 626.3566417995.

The spelling of 245733893 in words is "two hundred forty-five million, seven hundred thirty-three thousand, eight hundred ninety-three".