259850551 has 2 divisors, whose sum is σ = 259850552. Its totient is φ = 259850550.

The previous prime is 259850537. The next prime is 259850567. The reversal of 259850551 is 155058952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259850551 - 2²⁷ = 125632823 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 (259850501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129925275 + 129925276.

It is an arithmetic number, because the mean of its divisors is an integer number (129925276).

Almost surely, 2^259850551 is an apocalyptic number.

259850551 is a deficient number, since it is larger than the sum of its proper divisors (1).

259850551 is an equidigital number, since it uses as much as digits as its factorization.

259850551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 40.

The square root of 259850551 is about 16119.8806137018. The cubic root of 259850551 is about 638.1281168470.

The spelling of 259850551 in words is "two hundred fifty-nine million, eight hundred fifty thousand, five hundred fifty-one".