259225965 has 24 divisors (see below), whose sum is σ = 452568480. Its totient is φ = 137255904.

The previous prime is 259225963. The next prime is 259225969. The reversal of 259225965 is 569522952.

259225965 is a `hidden beast` number, since 2 + 59 + 2 + 2 + 596 + 5 = 666.

It is not a de Polignac number, because 259225965 - 2¹ = 259225963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 259225965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259225963) 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 23 ways as a sum of consecutive naturals, for example, 14467 + ... + 26976.

It is an arithmetic number, because the mean of its divisors is an integer number (18857020).

Almost surely, 2^259225965 is an apocalyptic number.

It is an amenable number.

259225965 is a deficient number, since it is larger than the sum of its proper divisors (193342515).

259225965 is a wasteful number, since it uses less digits than its factorization.

259225965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41593 (or 41590 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 259225965 is about 16100.4957998193. The cubic root of 259225965 is about 637.6164308680.

The spelling of 259225965 in words is "two hundred fifty-nine million, two hundred twenty-five thousand, nine hundred sixty-five".