259224947 has 2 divisors, whose sum is σ = 259224948. Its totient is φ = 259224946.

The previous prime is 259224913. The next prime is 259224983. The reversal of 259224947 is 749422952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259224947 - 2²⁰ = 258176371 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 259224898 and 259224907.

It is not a weakly prime, because it can be changed into another prime (259224047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129612473 + 129612474.

It is an arithmetic number, because the mean of its divisors is an integer number (129612474).

Almost surely, 2^259224947 is an apocalyptic number.

259224947 is a deficient number, since it is larger than the sum of its proper divisors (1).

259224947 is an equidigital number, since it uses as much as digits as its factorization.

259224947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 259224947 is about 16100.4641858550. The cubic root of 259224947 is about 637.6155962109.

The spelling of 259224947 in words is "two hundred fifty-nine million, two hundred twenty-four thousand, nine hundred forty-seven".