259201247 has 4 divisors (see below), whose sum is σ = 260029680. Its totient is φ = 258372816.

The previous prime is 259201213. The next prime is 259201279. The reversal of 259201247 is 742102952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 259201247 - 2²² = 255006943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259201847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413747 + ... + 414372.

It is an arithmetic number, because the mean of its divisors is an integer number (65007420).

Almost surely, 2^259201247 is an apocalyptic number.

259201247 is a deficient number, since it is larger than the sum of its proper divisors (828433).

259201247 is an equidigital number, since it uses as much as digits as its factorization.

259201247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828432.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 259201247 is about 16099.7281654070. The cubic root of 259201247 is about 637.5961639888.

The spelling of 259201247 in words is "two hundred fifty-nine million, two hundred one thousand, two hundred forty-seven".