2603616225 has 72 divisors (see below), whose sum is σ = 5031115488. Its totient is φ = 1184601600.

The previous prime is 2603616209. The next prime is 2603616229. The reversal of 2603616225 is 5226163062.

It is not a de Polignac number, because 2603616225 - 2⁴ = 2603616209 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2603616229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 832665 + ... + 835785.

It is an arithmetic number, because the mean of its divisors is an integer number (69876604).

Almost surely, 2^2603616225 is an apocalyptic number.

2603616225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2603616225 is a deficient number, since it is larger than the sum of its proper divisors (2427499263).

2603616225 is a wasteful number, since it uses less digits than its factorization.

2603616225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2603616225 is about 51025.6428180969. The cubic root of 2603616225 is about 1375.7060792309.

Adding to 2603616225 its reverse (5226163062), we get a palindrome (7829779287).

It can be divided in two parts, 2603 and 616225, that added together give a triangular number (618828 = T₁₁₁₂).

The spelling of 2603616225 in words is "two billion, six hundred three million, six hundred sixteen thousand, two hundred twenty-five".