259269797 has 2 divisors, whose sum is σ = 259269798. Its totient is φ = 259269796.

The previous prime is 259269749. The next prime is 259269809. The reversal of 259269797 is 797962952.

259269797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228644641 + 30625156 = 15121^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 259269797 - 2⁶ = 259269733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259269097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129634898 + 129634899.

It is an arithmetic number, because the mean of its divisors is an integer number (129634899).

Almost surely, 2^259269797 is an apocalyptic number.

It is an amenable number.

259269797 is a deficient number, since it is larger than the sum of its proper divisors (1).

259269797 is an equidigital number, since it uses as much as digits as its factorization.

259269797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 56.

The square root of 259269797 is about 16101.8569426014. The cubic root of 259269797 is about 637.6523666050.

The spelling of 259269797 in words is "two hundred fifty-nine million, two hundred sixty-nine thousand, seven hundred ninety-seven".