259120931 has 4 divisors (see below), whose sum is σ = 260233272. Its totient is φ = 258008592.

The previous prime is 259120903. The next prime is 259120933. The reversal of 259120931 is 139021952.

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

It is a cyclic number.

It is not a de Polignac number, because 259120931 - 2¹⁰ = 259119907 is a prime.

It is a super-2 number, since 2×259120931² = 134287313764613522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259120933) 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, 555821 + ... + 556286.

It is an arithmetic number, because the mean of its divisors is an integer number (65058318).

Almost surely, 2^259120931 is an apocalyptic number.

259120931 is a deficient number, since it is larger than the sum of its proper divisors (1112341).

259120931 is a wasteful number, since it uses less digits than its factorization.

259120931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112340.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 259120931 is about 16097.2336443254. The cubic root of 259120931 is about 637.5303020839.

The spelling of 259120931 in words is "two hundred fifty-nine million, one hundred twenty thousand, nine hundred thirty-one".