245801099 has 4 divisors (see below), whose sum is σ = 245841960. Its totient is φ = 245760240.

The previous prime is 245801063. The next prime is 245801111. The reversal of 245801099 is 990108542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245801099 - 2⁸ = 245800843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245800099) 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 3 ways as a sum of consecutive naturals, for example, 9434 + ... + 24095.

It is an arithmetic number, because the mean of its divisors is an integer number (61460490).

Almost surely, 2^245801099 is an apocalyptic number.

245801099 is a deficient number, since it is larger than the sum of its proper divisors (40861).

245801099 is an equidigital number, since it uses as much as digits as its factorization.

245801099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 245801099 is about 15678.0451268645. The cubic root of 245801099 is about 626.4137375560.

The spelling of 245801099 in words is "two hundred forty-five million, eight hundred one thousand, ninety-nine".