259925994 has 24 divisors (see below), whose sum is σ = 566634432. Its totient is φ = 86109480.

The previous prime is 259925993. The next prime is 259926001. The reversal of 259925994 is 499529952.

It is a self number, because there is not a number n which added to its sum of digits gives 259925994.

It is not an unprimeable number, because it can be changed into a prime (259925993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41362 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (23609768).

Almost surely, 2^259925994 is an apocalyptic number.

259925994 is an abundant number, since it is smaller than the sum of its proper divisors (306708438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259925994 is a wasteful number, since it uses less digits than its factorization.

259925994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88762 (or 88759 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 259925994 is about 16122.2205046327. The cubic root of 259925994 is about 638.1898672660.

The spelling of 259925994 in words is "two hundred fifty-nine million, nine hundred twenty-five thousand, nine hundred ninety-four".