3625509 has 8 divisors (see below), whose sum is σ = 4846912. Its totient is φ = 2410560.

The previous prime is 3625487. The next prime is 3625511. The reversal of 3625509 is 9055263.

3625509 is digitally balanced in base 2, 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 3625509 - 2⁵ = 3625477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625579) 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, 97 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (605864).

Almost surely, 2^3625509 is an apocalyptic number.

It is an amenable number.

3625509 is a deficient number, since it is larger than the sum of its proper divisors (1221403).

3625509 is a wasteful number, since it uses less digits than its factorization.

3625509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 3625509 is about 1904.0769417227. The cubic root of 3625509 is about 153.6230308754.

The spelling of 3625509 in words is "three million, six hundred twenty-five thousand, five hundred nine".