259433925 has 12 divisors (see below), whose sum is σ = 428930880. Its totient is φ = 138364720.

The previous prime is 259433917. The next prime is 259433959. The reversal of 259433925 is 529334952.

It is not a de Polignac number, because 259433925 - 2³ = 259433917 is a prime.

It is a super-2 number, since 2×259433925² = 134611922881811250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1729485 + ... + 1729634.

It is an arithmetic number, because the mean of its divisors is an integer number (35744240).

Almost surely, 2^259433925 is an apocalyptic number.

259433925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259433925 is a deficient number, since it is larger than the sum of its proper divisors (169496955).

259433925 is a wasteful number, since it uses less digits than its factorization.

259433925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459132 (or 3459127 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 259433925 is about 16106.9526913069. The cubic root of 259433925 is about 637.7868912490.

The spelling of 259433925 in words is "two hundred fifty-nine million, four hundred thirty-three thousand, nine hundred twenty-five".