4491725 has 12 divisors (see below), whose sum is σ = 6365664. Its totient is φ = 3079920.

The previous prime is 4491719. The next prime is 4491749. The reversal of 4491725 is 5271944.

It is a happy number.

It is not a de Polignac number, because 4491725 - 2⁴ = 4491709 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4491691 and 4491700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12659 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (530472).

Almost surely, 2^4491725 is an apocalyptic number.

It is an amenable number.

4491725 is a deficient number, since it is larger than the sum of its proper divisors (1873939).

4491725 is a wasteful number, since it uses less digits than its factorization.

4491725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25684 (or 25679 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 4491725 is about 2119.3690098706. The cubic root of 4491725 is about 164.9951023952.

The spelling of 4491725 in words is "four million, four hundred ninety-one thousand, seven hundred twenty-five".