259025434 has 4 divisors (see below), whose sum is σ = 388538154. Its totient is φ = 129512716.

The previous prime is 259025407. The next prime is 259025441. The reversal of 259025434 is 434520952.

259025434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208658025 + 50367409 = 14445^2 + 7097^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 259025434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64756357 + ... + 64756360.

Almost surely, 2^259025434 is an apocalyptic number.

259025434 is a deficient number, since it is larger than the sum of its proper divisors (129512720).

259025434 is a wasteful number, since it uses less digits than its factorization.

259025434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129512719.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 259025434 is about 16094.2671159640. The cubic root of 259025434 is about 637.4519735190.

The spelling of 259025434 in words is "two hundred fifty-nine million, twenty-five thousand, four hundred thirty-four".