2812545 has 12 divisors (see below), whose sum is σ = 4875156. Its totient is φ = 1500000.

The previous prime is 2812541. The next prime is 2812549. The reversal of 2812545 is 5452182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2812541) and next prime (2812549).

It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 571536 = 1497^2 + 756^2 .

It is not a de Polignac number, because 2812545 - 2² = 2812541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31206 + ... + 31295.

It is an arithmetic number, because the mean of its divisors is an integer number (406263).

2^2812545 is an apocalyptic number.

It is an amenable number.

2812545 is a deficient number, since it is larger than the sum of its proper divisors (2062611).

2812545 is a wasteful number, since it uses less digits than its factorization.

2812545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62512 (or 62509 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2812545 is about 1677.0643994790. The cubic root of 2812545 is about 141.1561571570.

It can be divided in two parts, 28125 and 45, that multiplied together give a square (1265625 = 1125²).

The spelling of 2812545 in words is "two million, eight hundred twelve thousand, five hundred forty-five".