3618625 has 8 divisors (see below), whose sum is σ = 4516200. Its totient is φ = 2894800.

The previous prime is 3618583. The next prime is 3618631. The reversal of 3618625 is 5268163.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 3549456 = 263^2 + 1884^2 .

It is not a de Polignac number, because 3618625 - 2⁷ = 3618497 is a prime.

3618625 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14350 + ... + 14599.

It is an arithmetic number, because the mean of its divisors is an integer number (564525).

Almost surely, 2^3618625 is an apocalyptic number.

It is an amenable number.

3618625 is a deficient number, since it is larger than the sum of its proper divisors (897575).

3618625 is an equidigital number, since it uses as much as digits as its factorization.

3618625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28964 (or 28954 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 3618625 is about 1902.2683827473. The cubic root of 3618625 is about 153.5257377788.

The spelling of 3618625 in words is "three million, six hundred eighteen thousand, six hundred twenty-five".