3615625 has 24 divisors (see below), whose sum is σ = 4921560. Its totient is φ = 2640000.

The previous prime is 3615587. The next prime is 3615641. The reversal of 3615625 is 5265163.

It can be written as a sum of positive squares in 12 ways, for example, as 3250809 + 364816 = 1803^2 + 604^2 .

It is not a de Polignac number, because 3615625 - 2¹³ = 3607433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3615593 and 3615602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40581 + ... + 40669.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

Almost surely, 2^3615625 is an apocalyptic number.

It is an amenable number.

3615625 is a deficient number, since it is larger than the sum of its proper divisors (1305935).

3615625 is an frugal number, since it uses more digits than its factorization.

3615625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 3615625 is about 1901.4796869806. The cubic root of 3615625 is about 153.4832995090.

It can be divided in two parts, 361 and 5625, that multiplied together give a square (2030625 = 1425²).

The spelling of 3615625 in words is "three million, six hundred fifteen thousand, six hundred twenty-five".