259912225 has 12 divisors (see below), whose sum is σ = 322705660. Its totient is φ = 207662400.

The previous prime is 259912217. The next prime is 259912241. The reversal of 259912225 is 522219952.

It can be written as a sum of positive squares in 6 ways, for example, as 2598544 + 257313681 = 1612^2 + 16041^2 .

It is not a de Polignac number, because 259912225 - 2³ = 259912217 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14455 + ... + 26995.

Almost surely, 2^259912225 is an apocalyptic number.

259912225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259912225 is a deficient number, since it is larger than the sum of its proper divisors (62793435).

259912225 is a wasteful number, since it uses less digits than its factorization.

259912225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380 (or 13375 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 259912225 is about 16121.7934796350. The cubic root of 259912225 is about 638.1785981719.

The spelling of 259912225 in words is "two hundred fifty-nine million, nine hundred twelve thousand, two hundred twenty-five".