2812457 has 4 divisors (see below), whose sum is σ = 2837460. Its totient is φ = 2787456.

The previous prime is 2812451. The next prime is 2812493. The reversal of 2812457 is 7542182.

2812457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7542182 = 2 ⋅3771091.

It can be written as a sum of positive squares in 2 ways, for example, as 26896 + 2785561 = 164^2 + 1669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812457 - 2⁴ = 2812441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12332 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (709365).

2^2812457 is an apocalyptic number.

It is an amenable number.

2812457 is a deficient number, since it is larger than the sum of its proper divisors (25003).

2812457 is a wasteful number, since it uses less digits than its factorization.

2812457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002.

The product of its digits is 4480, while the sum is 29.

The square root of 2812457 is about 1677.0381629528. The cubic root of 2812457 is about 141.1546849587.

The spelling of 2812457 in words is "two million, eight hundred twelve thousand, four hundred fifty-seven".