2603625 has 32 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 1352000.

The previous prime is 2603621. The next prime is 2603639. The reversal of 2603625 is 5263062.

It is not a de Polignac number, because 2603625 - 2² = 2603621 is a prime.

2603625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2603595 and 2603604.

It is not an unprimeable number, because it can be changed into a prime (2603621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19810 + ... + 19940.

It is an arithmetic number, because the mean of its divisors is an integer number (138996).

2^2603625 is an apocalyptic number.

2603625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2603625 is a deficient number, since it is larger than the sum of its proper divisors (1844247).

2603625 is a wasteful number, since it uses less digits than its factorization.

2603625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2603625 is about 1613.5752229134. The cubic root of 2603625 is about 137.5707624749.

Adding to 2603625 its reverse (5263062), we get a palindrome (7866687).

The spelling of 2603625 in words is "two million, six hundred three thousand, six hundred twenty-five".