259225823 has 2 divisors, whose sum is σ = 259225824. Its totient is φ = 259225822.

The previous prime is 259225819. The next prime is 259225859. The reversal of 259225823 is 328522952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259225823 - 2² = 259225819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259225223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129612911 + 129612912.

It is an arithmetic number, because the mean of its divisors is an integer number (129612912).

Almost surely, 2^259225823 is an apocalyptic number.

259225823 is a deficient number, since it is larger than the sum of its proper divisors (1).

259225823 is an equidigital number, since it uses as much as digits as its factorization.

259225823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 259225823 is about 16100.4913900166. The cubic root of 259225823 is about 637.6163144424.

The spelling of 259225823 in words is "two hundred fifty-nine million, two hundred twenty-five thousand, eight hundred twenty-three".