259851463 has 2 divisors, whose sum is σ = 259851464. Its totient is φ = 259851462.

The previous prime is 259851379. The next prime is 259851491. The reversal of 259851463 is 364158952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259851463 - 2²¹ = 257754311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259851863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129925731 + 129925732.

It is an arithmetic number, because the mean of its divisors is an integer number (129925732).

Almost surely, 2^259851463 is an apocalyptic number.

259851463 is a deficient number, since it is larger than the sum of its proper divisors (1).

259851463 is an equidigital number, since it uses as much as digits as its factorization.

259851463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 259851463 is about 16119.9089017277. The cubic root of 259851463 is about 638.1288633943.

The spelling of 259851463 in words is "two hundred fifty-nine million, eight hundred fifty-one thousand, four hundred sixty-three".