259164823 has 2 divisors, whose sum is σ = 259164824. Its totient is φ = 259164822.

The previous prime is 259164821. The next prime is 259164853. The reversal of 259164823 is 328461952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259164823 - 2¹ = 259164821 is a prime.

Together with 259164821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259164821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129582411 + 129582412.

It is an arithmetic number, because the mean of its divisors is an integer number (129582412).

Almost surely, 2^259164823 is an apocalyptic number.

259164823 is a deficient number, since it is larger than the sum of its proper divisors (1).

259164823 is an equidigital number, since it uses as much as digits as its factorization.

259164823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 259164823 is about 16098.5969264405. The cubic root of 259164823 is about 637.5662967321.

The spelling of 259164823 in words is "two hundred fifty-nine million, one hundred sixty-four thousand, eight hundred twenty-three".