259604369 has 2 divisors, whose sum is σ = 259604370. Its totient is φ = 259604368.

The previous prime is 259604351. The next prime is 259604479. The reversal of 259604369 is 963406952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168688144 + 90916225 = 12988^2 + 9535^2 .

It is a cyclic number.

It is not a de Polignac number, because 259604369 - 2¹⁶ = 259538833 is a prime.

It is a super-2 number, since 2×259604369² = 134788856807776322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (259604309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129802184 + 129802185.

It is an arithmetic number, because the mean of its divisors is an integer number (129802185).

Almost surely, 2^259604369 is an apocalyptic number.

It is an amenable number.

259604369 is a deficient number, since it is larger than the sum of its proper divisors (1).

259604369 is an equidigital number, since it uses as much as digits as its factorization.

259604369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 259604369 is about 16112.2428296001. The cubic root of 259604369 is about 637.9265326514.

The spelling of 259604369 in words is "two hundred fifty-nine million, six hundred four thousand, three hundred sixty-nine".