259487101 has 2 divisors, whose sum is σ = 259487102. Its totient is φ = 259487100.

The previous prime is 259487093. The next prime is 259487177. The reversal of 259487101 is 101784952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182223001 + 77264100 = 13499^2 + 8790^2 .

It is a cyclic number.

It is not a de Polignac number, because 259487101 - 2³ = 259487093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259487801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129743550 + 129743551.

It is an arithmetic number, because the mean of its divisors is an integer number (129743551).

Almost surely, 2^259487101 is an apocalyptic number.

It is an amenable number.

259487101 is a deficient number, since it is larger than the sum of its proper divisors (1).

259487101 is an equidigital number, since it uses as much as digits as its factorization.

259487101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 259487101 is about 16108.6033224485. The cubic root of 259487101 is about 637.8304638579.

The spelling of 259487101 in words is "two hundred fifty-nine million, four hundred eighty-seven thousand, one hundred one".