259149101 has 2 divisors, whose sum is σ = 259149102. Its totient is φ = 259149100.

The previous prime is 259149091. The next prime is 259149127. The reversal of 259149101 is 101941952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208369225 + 50779876 = 14435^2 + 7126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259149101 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259149131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129574550 + 129574551.

It is an arithmetic number, because the mean of its divisors is an integer number (129574551).

Almost surely, 2^259149101 is an apocalyptic number.

It is an amenable number.

259149101 is a deficient number, since it is larger than the sum of its proper divisors (1).

259149101 is an equidigital number, since it uses as much as digits as its factorization.

259149101 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 32.

The square root of 259149101 is about 16098.1086156107. The cubic root of 259149101 is about 637.5534040101.

The spelling of 259149101 in words is "two hundred fifty-nine million, one hundred forty-nine thousand, one hundred one".