245848249 has 2 divisors, whose sum is σ = 245848250. Its totient is φ = 245848248.

The previous prime is 245848247. The next prime is 245848261. The reversal of 245848249 is 942848542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200420649 + 45427600 = 14157^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 245848249 - 2¹ = 245848247 is a prime.

Together with 245848247, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245848199 and 245848208.

It is not a weakly prime, because it can be changed into another prime (245848247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122924124 + 122924125.

It is an arithmetic number, because the mean of its divisors is an integer number (122924125).

Almost surely, 2^245848249 is an apocalyptic number.

It is an amenable number.

245848249 is a deficient number, since it is larger than the sum of its proper divisors (1).

245848249 is an equidigital number, since it uses as much as digits as its factorization.

245848249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 46.

The square root of 245848249 is about 15679.5487498844. The cubic root of 245848249 is about 626.4537882576.

The spelling of 245848249 in words is "two hundred forty-five million, eight hundred forty-eight thousand, two hundred forty-nine".