259141819 has 2 divisors, whose sum is σ = 259141820. Its totient is φ = 259141818.

The previous prime is 259141789. The next prime is 259141837. The reversal of 259141819 is 918141952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259141819 - 2⁵ = 259141787 is a prime.

It is a super-2 number, since 2×259141819² = 134308964709257522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259141219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129570909 + 129570910.

It is an arithmetic number, because the mean of its divisors is an integer number (129570910).

Almost surely, 2^259141819 is an apocalyptic number.

259141819 is a deficient number, since it is larger than the sum of its proper divisors (1).

259141819 is an equidigital number, since it uses as much as digits as its factorization.

259141819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 40.

The square root of 259141819 is about 16097.8824383830. The cubic root of 259141819 is about 637.5474322775.

The spelling of 259141819 in words is "two hundred fifty-nine million, one hundred forty-one thousand, eight hundred nineteen".