259963057 has 2 divisors, whose sum is σ = 259963058. Its totient is φ = 259963056.

The previous prime is 259963019. The next prime is 259963061. The reversal of 259963057 is 750369952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253733041 + 6230016 = 15929^2 + 2496^2 .

It is a cyclic number.

It is not a de Polignac number, because 259963057 - 2²⁷ = 125745329 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 259962998 and 259963016.

It is not a weakly prime, because it can be changed into another prime (259961057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129981528 + 129981529.

It is an arithmetic number, because the mean of its divisors is an integer number (129981529).

Almost surely, 2^259963057 is an apocalyptic number.

It is an amenable number.

259963057 is a deficient number, since it is larger than the sum of its proper divisors (1).

259963057 is an equidigital number, since it uses as much as digits as its factorization.

259963057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 259963057 is about 16123.3699021017. The cubic root of 259963057 is about 638.2201991136.

It can be divided in two parts, 2599 and 63057, that added together give a palindrome (65656).

The spelling of 259963057 in words is "two hundred fifty-nine million, nine hundred sixty-three thousand, fifty-seven".