4525685 has 4 divisors (see below), whose sum is σ = 5430828. Its totient is φ = 3620544.

The previous prime is 4525663. The next prime is 4525693. The reversal of 4525685 is 5865254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 2582449 = 1394^2 + 1607^2 .

It is a cyclic number.

It is not a de Polignac number, because 4525685 - 2¹⁰ = 4524661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 452564 + ... + 452573.

It is an arithmetic number, because the mean of its divisors is an integer number (1357707).

Almost surely, 2^4525685 is an apocalyptic number.

It is an amenable number.

4525685 is a deficient number, since it is larger than the sum of its proper divisors (905143).

4525685 is an equidigital number, since it uses as much as digits as its factorization.

4525685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905142.

The product of its digits is 48000, while the sum is 35.

The square root of 4525685 is about 2127.3657419447. The cubic root of 4525685 is about 165.4098778234.

The spelling of 4525685 in words is "four million, five hundred twenty-five thousand, six hundred eighty-five".