2125636 has 12 divisors (see below), whose sum is σ = 3738112. Its totient is φ = 1057608.

The previous prime is 2125621. The next prime is 2125649. The reversal of 2125636 is 6365212.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2125636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 2083.

2^2125636 is an apocalyptic number.

It is an amenable number.

2125636 is a deficient number, since it is larger than the sum of its proper divisors (1612476).

2125636 is a wasteful number, since it uses less digits than its factorization.

2125636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 2125636 is about 1457.9561035916. The cubic root of 2125636 is about 128.5769044111.

The spelling of 2125636 in words is "two million, one hundred twenty-five thousand, six hundred thirty-six".