259570243 has 2 divisors, whose sum is σ = 259570244. Its totient is φ = 259570242.

The previous prime is 259570211. The next prime is 259570247. The reversal of 259570243 is 342075952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259570243 - 2⁵ = 259570211 is a prime.

It is a super-2 number, since 2×259570243² = 134753422102158098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259570247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129785121 + 129785122.

It is an arithmetic number, because the mean of its divisors is an integer number (129785122).

Almost surely, 2^259570243 is an apocalyptic number.

259570243 is a deficient number, since it is larger than the sum of its proper divisors (1).

259570243 is an equidigital number, since it uses as much as digits as its factorization.

259570243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 259570243 is about 16111.1837864261. The cubic root of 259570243 is about 637.8985787885.

The spelling of 259570243 in words is "two hundred fifty-nine million, five hundred seventy thousand, two hundred forty-three".