245834879 has 4 divisors (see below), whose sum is σ = 256523376. Its totient is φ = 235146384.

The previous prime is 245834861. The next prime is 245834881. The reversal of 245834879 is 978438542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245834879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245834899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344214 + ... + 5344259.

It is an arithmetic number, because the mean of its divisors is an integer number (64130844).

Almost surely, 2^245834879 is an apocalyptic number.

245834879 is a deficient number, since it is larger than the sum of its proper divisors (10688497).

245834879 is a wasteful number, since it uses less digits than its factorization.

245834879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688496.

The product of its digits is 1935360, while the sum is 50.

The square root of 245834879 is about 15679.1223925321. The cubic root of 245834879 is about 626.4424318768.

The spelling of 245834879 in words is "two hundred forty-five million, eight hundred thirty-four thousand, eight hundred seventy-nine".