7425609 has 8 divisors (see below), whose sum is σ = 9915360. Its totient is φ = 4943136.

The previous prime is 7425601. The next prime is 7425611. The reversal of 7425609 is 9065247.

7425609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7425609 - 2³ = 7425601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7425609.

It is not an unprimeable number, because it can be changed into a prime (7425601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1357 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (1239420).

Almost surely, 2^7425609 is an apocalyptic number.

It is an amenable number.

7425609 is a deficient number, since it is larger than the sum of its proper divisors (2489751).

7425609 is a wasteful number, since it uses less digits than its factorization.

7425609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 7425609 is about 2724.9970642186. The cubic root of 7425609 is about 195.0940506206.

The spelling of 7425609 in words is "seven million, four hundred twenty-five thousand, six hundred nine".