259426801 has 2 divisors, whose sum is σ = 259426802. Its totient is φ = 259426800.

The previous prime is 259426799. The next prime is 259426807. The reversal of 259426801 is 108624952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174768400 + 84658401 = 13220^2 + 9201^2 .

It is a cyclic number.

It is not a de Polignac number, because 259426801 - 2¹ = 259426799 is a prime.

Together with 259426799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (259426807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129713400 + 129713401.

It is an arithmetic number, because the mean of its divisors is an integer number (129713401).

Almost surely, 2^259426801 is an apocalyptic number.

It is an amenable number.

259426801 is a deficient number, since it is larger than the sum of its proper divisors (1).

259426801 is an equidigital number, since it uses as much as digits as its factorization.

259426801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 259426801 is about 16106.7315430537. The cubic root of 259426801 is about 637.7810533651.

The spelling of 259426801 in words is "two hundred fifty-nine million, four hundred twenty-six thousand, eight hundred one".