259257232 has 20 divisors (see below), whose sum is σ = 540950620. Its totient is φ = 119657088.

The previous prime is 259257211. The next prime is 259257287. The reversal of 259257232 is 232752952.

It can be written as a sum of positive squares in 2 ways, for example, as 15397776 + 243859456 = 3924^2 + 15616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 259257191 and 259257200.

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 3 ways as a sum of consecutive naturals, for example, 623007 + ... + 623422.

It is an arithmetic number, because the mean of its divisors is an integer number (27047531).

Almost surely, 2^259257232 is an apocalyptic number.

It is an amenable number.

259257232 is an abundant number, since it is smaller than the sum of its proper divisors (281693388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259257232 is a wasteful number, since it uses less digits than its factorization.

259257232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246450 (or 1246444 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 259257232 is about 16101.4667654844. The cubic root of 259257232 is about 637.6420655833.

The spelling of 259257232 in words is "two hundred fifty-nine million, two hundred fifty-seven thousand, two hundred thirty-two".