259841425 has 6 divisors (see below), whose sum is σ = 322203398. Its totient is φ = 207873120.

The previous prime is 259841399. The next prime is 259841441. The reversal of 259841425 is 524148952.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21818241 + 238023184 = 4671^2 + 15428^2 .

It is not a de Polignac number, because 259841425 - 2⁷ = 259841297 is a prime.

It is a super-2 number, since 2×259841425² = 135035132292061250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5196804 + ... + 5196853.

Almost surely, 2^259841425 is an apocalyptic number.

259841425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259841425 is a deficient number, since it is larger than the sum of its proper divisors (62361973).

259841425 is a wasteful number, since it uses less digits than its factorization.

259841425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393667 (or 10393662 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 259841425 is about 16119.5975446039. The cubic root of 259841425 is about 638.1206463666.

The spelling of 259841425 in words is "two hundred fifty-nine million, eight hundred forty-one thousand, four hundred twenty-five".