259081216 has 33 divisors (see below), whose sum is σ = 518941111. Its totient is φ = 129283072.

The previous prime is 259081183. The next prime is 259081231. The reversal of 259081216 is 612180952.

The square root of 259081216 is 16096.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 514821 + ... + 515323.

Almost surely, 2^259081216 is an apocalyptic number.

259081216 is the 16096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259081216

259081216 is an abundant number, since it is smaller than the sum of its proper divisors (259859895).

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

259081216 is an frugal number, since it uses more digits than its factorization.

259081216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The cubic root of 259081216 is about 637.4977293780.

The spelling of 259081216 in words is "two hundred fifty-nine million, eighty-one thousand, two hundred sixteen".