259012478 has 16 divisors (see below), whose sum is σ = 404300160. Its totient is φ = 124348056.

The previous prime is 259012423. The next prime is 259012483. The reversal of 259012478 is 874210952.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20450 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (25268760).

Almost surely, 2^259012478 is an apocalyptic number.

259012478 is a deficient number, since it is larger than the sum of its proper divisors (145287682).

259012478 is a wasteful number, since it uses less digits than its factorization.

259012478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51151.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 259012478 is about 16093.8646073589. The cubic root of 259012478 is about 637.4413452635.

The spelling of 259012478 in words is "two hundred fifty-nine million, twelve thousand, four hundred seventy-eight".