259202497 has 2 divisors, whose sum is σ = 259202498. Its totient is φ = 259202496.

The previous prime is 259202477. The next prime is 259202507. The reversal of 259202497 is 794202952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192682161 + 66520336 = 13881^2 + 8156^2 .

It is a cyclic number.

It is not a de Polignac number, because 259202497 - 2¹¹ = 259200449 is a prime.

It is not a weakly prime, because it can be changed into another prime (259202477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129601248 + 129601249.

It is an arithmetic number, because the mean of its divisors is an integer number (129601249).

Almost surely, 2^259202497 is an apocalyptic number.

It is an amenable number.

259202497 is a deficient number, since it is larger than the sum of its proper divisors (1).

259202497 is an equidigital number, since it uses as much as digits as its factorization.

259202497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 259202497 is about 16099.7669858914. The cubic root of 259202497 is about 637.5971889246.

The spelling of 259202497 in words is "two hundred fifty-nine million, two hundred two thousand, four hundred ninety-seven".