3625520 has 20 divisors (see below), whose sum is σ = 8429520. Its totient is φ = 1450176.

The previous prime is 3625511. The next prime is 3625577. The reversal of 3625520 is 255263.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22580 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (421476).

Almost surely, 2^3625520 is an apocalyptic number.

It is an amenable number.

3625520 is an abundant number, since it is smaller than the sum of its proper divisors (4804000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3625520 is a wasteful number, since it uses less digits than its factorization.

3625520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45332 (or 45326 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3625520 is about 1904.0798302592. The cubic root of 3625520 is about 153.6231862423.

The spelling of 3625520 in words is "three million, six hundred twenty-five thousand, five hundred twenty".