259279249 has 2 divisors, whose sum is σ = 259279250. Its totient is φ = 259279248.

The previous prime is 259279247. The next prime is 259279259. The reversal of 259279249 is 942972952.

259279249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245141649 + 14137600 = 15657^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 259279249 - 2¹ = 259279247 is a prime.

Together with 259279247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (259279247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129639624 + 129639625.

It is an arithmetic number, because the mean of its divisors is an integer number (129639625).

Almost surely, 2^259279249 is an apocalyptic number.

It is an amenable number.

259279249 is a deficient number, since it is larger than the sum of its proper divisors (1).

259279249 is an equidigital number, since it uses as much as digits as its factorization.

259279249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 259279249 is about 16102.1504464466. The cubic root of 259279249 is about 637.6601153118.

The spelling of 259279249 in words is "two hundred fifty-nine million, two hundred seventy-nine thousand, two hundred forty-nine".