259925609241 has 9 divisors (see below), whose sum is σ = 375450311509. Its totient is φ = 173282719836.

The previous prime is 259925609059. The next prime is 259925609267. The reversal of 259925609241 is 142906529952.

The square root of 259925609241 is 509829.

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

259925609241 is a `hidden beast` number, since 2 + 5 + 9 + 9 + 2 + 5 + 609 + 24 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 259925609241 - 2¹³ = 259925601049 is a prime.

It is a super-2 number, since 2×259925609241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (259925609641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1444516 + ... + 1614458.

Almost surely, 2^259925609241 is an apocalyptic number.

259925609241 is the 509829-th square number.

259925609241 is the 254915-th centered octagonal number.

It is an amenable number.

259925609241 is a deficient number, since it is larger than the sum of its proper divisors (115524702268).

259925609241 is an frugal number, since it uses more digits than its factorization.

259925609241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339892 (or 169946 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 259925609241 in words is "two hundred fifty-nine billion, nine hundred twenty-five million, six hundred nine thousand, two hundred forty-one".