260005258 has 4 divisors (see below), whose sum is σ = 390007890. Its totient is φ = 130002628.

The previous prime is 260005247. The next prime is 260005267. The reversal of 260005258 is 852500062.

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

It can be written as a sum of positive squares in only one way, i.e., 243578449 + 16426809 = 15607^2 + 4053^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65001313 + ... + 65001316.

Almost surely, 2^260005258 is an apocalyptic number.

260005258 is a deficient number, since it is larger than the sum of its proper divisors (130002632).

260005258 is a wasteful number, since it uses less digits than its factorization.

260005258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130002631.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 260005258 is about 16124.6785394314. The cubic root of 260005258 is about 638.2547323195.

The spelling of 260005258 in words is "two hundred sixty million, five thousand, two hundred fifty-eight".