4925609 has 4 divisors (see below), whose sum is σ = 5304516. Its totient is φ = 4546704.

The previous prime is 4925603. The next prime is 4925633. The reversal of 4925609 is 9065294.

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 1315609 + 3610000 = 1147^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 4925609 - 2⁸ = 4925353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4925603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189434 + ... + 189459.

It is an arithmetic number, because the mean of its divisors is an integer number (1326129).

Almost surely, 2^4925609 is an apocalyptic number.

It is an amenable number.

4925609 is a deficient number, since it is larger than the sum of its proper divisors (378907).

4925609 is a wasteful number, since it uses less digits than its factorization.

4925609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378906.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 4925609 is about 2219.3713073751. The cubic root of 4925609 is about 170.1453082876.

The spelling of 4925609 in words is "four million, nine hundred twenty-five thousand, six hundred nine".