245733993 has 24 divisors (see below), whose sum is σ = 379981056. Its totient is φ = 158533200.

The previous prime is 245733991. The next prime is 245734007. The reversal of 245733993 is 399337542.

It is not a de Polignac number, because 245733993 - 2¹ = 245733991 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245733991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8778 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (15832544).

Almost surely, 2^245733993 is an apocalyptic number.

It is an amenable number.

245733993 is a deficient number, since it is larger than the sum of its proper divisors (134247063).

245733993 is an equidigital number, since it uses as much as digits as its factorization.

245733993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32667 (or 32655 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 245733993 is about 15675.9048542660. The cubic root of 245733993 is about 626.3567267636.

The spelling of 245733993 in words is "two hundred forty-five million, seven hundred thirty-three thousand, nine hundred ninety-three".