259057 has 4 divisors (see below), whose sum is σ = 268020. Its totient is φ = 250096.

The previous prime is 259033. The next prime is 259099. The reversal of 259057 is 750952.

259057 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 159201 = 316^2 + 399^2 .

It is a de Polignac number, because none of the positive numbers 2^k-259057 is a prime.

It is a super-2 number, since 2×259057² = 134221058498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (67005).

2²⁵⁹⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

259057 is a deficient number, since it is larger than the sum of its proper divisors (8963).

259057 is an equidigital number, since it uses as much as digits as its factorization.

259057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8962.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 259057 is about 508.9764238155. The cubic root of 259057 is about 63.7477866718.

The spelling of 259057 in words is "two hundred fifty-nine thousand, fifty-seven".