259297061 has 2 divisors, whose sum is σ = 259297062. Its totient is φ = 259297060.

The previous prime is 259297057. The next prime is 259297067. The reversal of 259297061 is 160792952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 16248961 = 15590^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 259297061 - 2² = 259297057 is a prime.

It is a super-3 number, since 3×259297061³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259297067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129648530 + 129648531.

It is an arithmetic number, because the mean of its divisors is an integer number (129648531).

Almost surely, 2^259297061 is an apocalyptic number.

It is an amenable number.

259297061 is a deficient number, since it is larger than the sum of its proper divisors (1).

259297061 is an equidigital number, since it uses as much as digits as its factorization.

259297061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 259297061 is about 16102.7035307740. The cubic root of 259297061 is about 637.6747169970.

The spelling of 259297061 in words is "two hundred fifty-nine million, two hundred ninety-seven thousand, sixty-one".