259234587225 has 36 divisors (see below), whose sum is σ = 464346168832. Its totient is φ = 138250044000.

The previous prime is 259234587221. The next prime is 259234587247. The reversal of 259234587225 is 522785432952.

It is a happy number.

259234587225 is a `hidden beast` number, since 2 + 5 + 9 + 2 + 34 + 587 + 2 + 25 = 666.

It is not a de Polignac number, because 259234587225 - 2² = 259234587221 is a prime.

It is a super-2 number, since 2×259234587225² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (259234587221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5925180 + ... + 5968770.

Almost surely, 2^259234587225 is an apocalyptic number.

259234587225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259234587225 is a deficient number, since it is larger than the sum of its proper divisors (205111581607).

259234587225 is a wasteful number, since it uses less digits than its factorization.

259234587225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70038 (or 70030 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 259234587225 in words is "two hundred fifty-nine billion, two hundred thirty-four million, five hundred eighty-seven thousand, two hundred twenty-five".