259052819 has 2 divisors, whose sum is σ = 259052820. Its totient is φ = 259052818.

The previous prime is 259052791. The next prime is 259052879. The reversal of 259052819 is 918250952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259052819 is a prime.

It is a super-2 number, since 2×259052819² = 134216726063693522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (259052879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129526409 + 129526410.

It is an arithmetic number, because the mean of its divisors is an integer number (129526410).

Almost surely, 2^259052819 is an apocalyptic number.

259052819 is a deficient number, since it is larger than the sum of its proper divisors (1).

259052819 is an equidigital number, since it uses as much as digits as its factorization.

259052819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 259052819 is about 16095.1178622587. The cubic root of 259052819 is about 637.4744372167.

The spelling of 259052819 in words is "two hundred fifty-nine million, fifty-two thousand, eight hundred nineteen".