3642625 has 32 divisors (see below), whose sum is σ = 5451264. Its totient is φ = 2376000.

The previous prime is 3642619. The next prime is 3642629. The reversal of 3642625 is 5262463.

It is a happy number.

It is not a de Polignac number, because 3642625 - 2⁷ = 3642497 is a prime.

Its product of digits (8640) is a multiple of the sum of its prime divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 3642593 and 3642602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20035 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (170352).

Almost surely, 2^3642625 is an apocalyptic number.

3642625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3642625 is a deficient number, since it is larger than the sum of its proper divisors (1808639).

3642625 is a wasteful number, since it uses less digits than its factorization.

3642625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 3642625 is about 1908.5662157756. The cubic root of 3642625 is about 153.8644024828.

The spelling of 3642625 in words is "three million, six hundred forty-two thousand, six hundred twenty-five".