259247954597 has 2 divisors, whose sum is σ = 259247954598. Its totient is φ = 259247954596.

The previous prime is 259247954561. The next prime is 259247954677. The reversal of 259247954597 is 795459742952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238691850721 + 20556103876 = 488561^2 + 143374^2 .

It is a cyclic number.

It is not a de Polignac number, because 259247954597 - 2⁸ = 259247954341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259247954507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129623977298 + 129623977299.

It is an arithmetic number, because the mean of its divisors is an integer number (129623977299).

Almost surely, 2^259247954597 is an apocalyptic number.

It is an amenable number.

259247954597 is a deficient number, since it is larger than the sum of its proper divisors (1).

259247954597 is an equidigital number, since it uses as much as digits as its factorization.

259247954597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768000, while the sum is 68.

The spelling of 259247954597 in words is "two hundred fifty-nine billion, two hundred forty-seven million, nine hundred fifty-four thousand, five hundred ninety-seven".