259597469 has 2 divisors, whose sum is σ = 259597470. Its totient is φ = 259597468.

The previous prime is 259597453. The next prime is 259597477. The reversal of 259597469 is 964795952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258244900 + 1352569 = 16070^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 259597469 - 2⁴ = 259597453 is a prime.

It is a super-2 number, since 2×259597469² = 134781691822411922, which contains 22 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 (259591469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129798734 + 129798735.

It is an arithmetic number, because the mean of its divisors is an integer number (129798735).

Almost surely, 2^259597469 is an apocalyptic number.

It is an amenable number.

259597469 is a deficient number, since it is larger than the sum of its proper divisors (1).

259597469 is an equidigital number, since it uses as much as digits as its factorization.

259597469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 56.

The square root of 259597469 is about 16112.0287052872. The cubic root of 259597469 is about 637.9208808050.

The spelling of 259597469 in words is "two hundred fifty-nine million, five hundred ninety-seven thousand, four hundred sixty-nine".