259459042 has 12 divisors (see below), whose sum is σ = 390718566. Its totient is φ = 129221040.

The previous prime is 259459037. The next prime is 259459069. The reversal of 259459042 is 240954952.

It can be written as a sum of positive squares in only one way, i.e., 239289961 + 20169081 = 15469^2 + 4491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 259458986 and 259459004.

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 5 ways as a sum of consecutive naturals, for example, 497742 + ... + 498262.

Almost surely, 2^259459042 is an apocalyptic number.

259459042 is a deficient number, since it is larger than the sum of its proper divisors (131259524).

259459042 is an frugal number, since it uses more digits than its factorization.

259459042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 259459042 is about 16107.7323667858. The cubic root of 259459042 is about 637.8074729526.

The spelling of 259459042 in words is "two hundred fifty-nine million, four hundred fifty-nine thousand, forty-two".