259884425 has 6 divisors (see below), whose sum is σ = 322256718. Its totient is φ = 207907520.

The previous prime is 259884421. The next prime is 259884431. The reversal of 259884425 is 524488952.

It can be written as a sum of positive squares in 3 ways, for example, as 126736 + 259757689 = 356^2 + 16117^2 .

It is not a de Polignac number, because 259884425 - 2² = 259884421 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 259884425.

It is not an unprimeable number, because it can be changed into a prime (259884421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5197664 + ... + 5197713.

It is an arithmetic number, because the mean of its divisors is an integer number (53709453).

Almost surely, 2^259884425 is an apocalyptic number.

259884425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259884425 is a deficient number, since it is larger than the sum of its proper divisors (62372293).

259884425 is a wasteful number, since it uses less digits than its factorization.

259884425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395387 (or 10395382 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 259884425 is about 16120.9312696258. The cubic root of 259884425 is about 638.1558443395.

The spelling of 259884425 in words is "two hundred fifty-nine million, eight hundred eighty-four thousand, four hundred twenty-five".