258560361 has 24 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 159478656.

The previous prime is 258560353. The next prime is 258560369. The reversal of 258560361 is 163065852.

It is an interprime number because it is at equal distance from previous prime (258560353) and next prime (258560369).

It is not a de Polignac number, because 258560361 - 2³ = 258560353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258560369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5295 + ... + 23348.

It is an arithmetic number, because the mean of its divisors is an integer number (16756740).

Almost surely, 2^258560361 is an apocalyptic number.

It is an amenable number.

258560361 is a deficient number, since it is larger than the sum of its proper divisors (143601399).

258560361 is a wasteful number, since it uses less digits than its factorization.

258560361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725 (or 28722 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 258560361 is about 16079.8122190528. The cubic root of 258560361 is about 637.0702358341.

It can be divided in two parts, 2585603 and 61, that added together give a square (2585664 = 1608²).

The spelling of 258560361 in words is "two hundred fifty-eight million, five hundred sixty thousand, three hundred sixty-one".