259310042 has 8 divisors (see below), whose sum is σ = 390120276. Its totient is φ = 129269952.

The previous prime is 259310041. The next prime is 259310047. The reversal of 259310042 is 240013952.

It can be written as a sum of positive squares in 2 ways, for example, as 250304041 + 9006001 = 15821^2 + 3001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 259309993 and 259310020.

It is not an unprimeable number, because it can be changed into a prime (259310041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191693 + ... + 193040.

Almost surely, 2^259310042 is an apocalyptic number.

259310042 is a deficient number, since it is larger than the sum of its proper divisors (130810234).

259310042 is a wasteful number, since it uses less digits than its factorization.

259310042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385072.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 259310042 is about 16103.1065946916. The cubic root of 259310042 is about 637.6853579678.

Adding to 259310042 its reverse (240013952), we get a palindrome (499323994).

The spelling of 259310042 in words is "two hundred fifty-nine million, three hundred ten thousand, forty-two".