2512858 has 4 divisors (see below), whose sum is σ = 3769290. Its totient is φ = 1256428.

The previous prime is 2512847. The next prime is 2512897. The reversal of 2512858 is 8582152.

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., 1708249 + 804609 = 1307^2 + 897^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628213 + ... + 628216.

2^2512858 is an apocalyptic number.

2512858 is a deficient number, since it is larger than the sum of its proper divisors (1256432).

2512858 is a wasteful number, since it uses less digits than its factorization.

2512858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256431.

The product of its digits is 6400, while the sum is 31.

The square root of 2512858 is about 1585.1996719656. The cubic root of 2512858 is about 135.9531629374.

The spelling of 2512858 in words is "two million, five hundred twelve thousand, eight hundred fifty-eight".