4909725 has 18 divisors (see below), whose sum is σ = 8794266. Its totient is φ = 2618400.

The previous prime is 4909717. The next prime is 4909739. The reversal of 4909725 is 5279094.

It can be written as a sum of positive squares in 3 ways, for example, as 423801 + 4485924 = 651^2 + 2118^2 .

It is not a de Polignac number, because 4909725 - 2³ = 4909717 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10686 + ... + 11135.

Almost surely, 2^4909725 is an apocalyptic number.

4909725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4909725 is a deficient number, since it is larger than the sum of its proper divisors (3884541).

4909725 is a wasteful number, since it uses less digits than its factorization.

4909725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837 (or 21829 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 4909725 is about 2215.7899268658. The cubic root of 4909725 is about 169.9622176704.

The spelling of 4909725 in words is "four million, nine hundred nine thousand, seven hundred twenty-five".