2560258 has 4 divisors (see below), whose sum is σ = 3840390. Its totient is φ = 1280128.

The previous prime is 2560247. The next prime is 2560273. The reversal of 2560258 is 8520652.

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., 1505529 + 1054729 = 1227^2 + 1027^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640063 + ... + 640066.

2^2560258 is an apocalyptic number.

2560258 is a deficient number, since it is larger than the sum of its proper divisors (1280132).

2560258 is a wasteful number, since it uses less digits than its factorization.

2560258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280131.

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

The square root of 2560258 is about 1600.0806229687. The cubic root of 2560258 is about 136.8026711401.

The spelling of 2560258 in words is "two million, five hundred sixty thousand, two hundred fifty-eight".