245548879 has 2 divisors, whose sum is σ = 245548880. Its totient is φ = 245548878.

The previous prime is 245548817. The next prime is 245548883. The reversal of 245548879 is 978845542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245548879 - 2²⁷ = 111331151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245548379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122774439 + 122774440.

It is an arithmetic number, because the mean of its divisors is an integer number (122774440).

Almost surely, 2^245548879 is an apocalyptic number.

245548879 is a deficient number, since it is larger than the sum of its proper divisors (1).

245548879 is an equidigital number, since it uses as much as digits as its factorization.

245548879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 52.

The square root of 245548879 is about 15669.9993299298. Note that the first 3 decimals coincide. The cubic root of 245548879 is about 626.1994068846.

It can be divided in two parts, 24554 and 8879, that added together give a palindrome (33433).

The spelling of 245548879 in words is "two hundred forty-five million, five hundred forty-eight thousand, eight hundred seventy-nine".