245793993 has 16 divisors (see below), whose sum is σ = 332893440. Its totient is φ = 161288064.

The previous prime is 245793971. The next prime is 245794001. The reversal of 245793993 is 399397542.

It is not a de Polignac number, because 245793993 - 2¹² = 245789897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245793953) 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 in 15 ways as a sum of consecutive naturals, for example, 154480 + ... + 156062.

It is an arithmetic number, because the mean of its divisors is an integer number (20805840).

Almost surely, 2^245793993 is an apocalyptic number.

It is an amenable number.

245793993 is a deficient number, since it is larger than the sum of its proper divisors (87099447).

245793993 is a wasteful number, since it uses less digits than its factorization.

245793993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its digits is 1837080, while the sum is 51.

The square root of 245793993 is about 15677.8185025851. The cubic root of 245793993 is about 626.4077010507.

The spelling of 245793993 in words is "two hundred forty-five million, seven hundred ninety-three thousand, nine hundred ninety-three".