245409883 has 4 divisors (see below), whose sum is σ = 245492568. Its totient is φ = 245327200.

The previous prime is 245409823. The next prime is 245409907. The reversal of 245409883 is 388904542.

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 245409883 - 2¹⁷ = 245278811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245409823) 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, 36718 + ... + 42883.

It is an arithmetic number, because the mean of its divisors is an integer number (61373142).

Almost surely, 2^245409883 is an apocalyptic number.

245409883 is a deficient number, since it is larger than the sum of its proper divisors (82685).

245409883 is an equidigital number, since it uses as much as digits as its factorization.

245409883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82684.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 245409883 is about 15665.5636030115. The cubic root of 245409883 is about 626.0812285929.

The spelling of 245409883 in words is "two hundred forty-five million, four hundred nine thousand, eight hundred eighty-three".