259285025 has 24 divisors (see below), whose sum is σ = 332041248. Its totient is φ = 200720000.

The previous prime is 259284979. The next prime is 259285057. The reversal of 259285025 is 520582952.

It is not a de Polignac number, because 259285025 - 2⁸ = 259284769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259285025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133310 + ... + 135240.

It is an arithmetic number, because the mean of its divisors is an integer number (13835052).

Almost surely, 2^259285025 is an apocalyptic number.

259285025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259285025 is a deficient number, since it is larger than the sum of its proper divisors (72756223).

259285025 is a wasteful number, since it uses less digits than its factorization.

259285025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 259285025 is about 16102.3298003736. The cubic root of 259285025 is about 637.6648503577.

The spelling of 259285025 in words is "two hundred fifty-nine million, two hundred eighty-five thousand, twenty-five".