259941001 has 2 divisors, whose sum is σ = 259941002. Its totient is φ = 259941000.

The previous prime is 259940987. The next prime is 259941023. The reversal of 259941001 is 100149952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226532601 + 33408400 = 15051^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 259941001 - 2¹³ = 259932809 is a prime.

It is equal to p_14192806 and since 259941001 and 14192806 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (259941061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129970500 + 129970501.

It is an arithmetic number, because the mean of its divisors is an integer number (129970501).

Almost surely, 2^259941001 is an apocalyptic number.

It is an amenable number.

259941001 is a deficient number, since it is larger than the sum of its proper divisors (1).

259941001 is an equidigital number, since it uses as much as digits as its factorization.

259941001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 259941001 is about 16122.6859114727. The cubic root of 259941001 is about 638.2021491350.

The spelling of 259941001 in words is "two hundred fifty-nine million, nine hundred forty-one thousand, one".