4525636 has 12 divisors (see below), whose sum is σ = 7935760. Its totient is φ = 2258280.

The previous prime is 4525627. The next prime is 4525663. The reversal of 4525636 is 6365254.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4525598 and 4525607.

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, 2191 + ... + 3721.

Almost surely, 2^4525636 is an apocalyptic number.

It is an amenable number.

4525636 is a deficient number, since it is larger than the sum of its proper divisors (3410124).

4525636 is a wasteful number, since it uses less digits than its factorization.

4525636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2272 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 4525636 is about 2127.3542253231. The cubic root of 4525636 is about 165.4092808520.

The spelling of 4525636 in words is "four million, five hundred twenty-five thousand, six hundred thirty-six".