3605402025 has 27 divisors (see below), whose sum is σ = 6459289239. Its totient is φ = 1922400720.

The previous prime is 3605401999. The next prime is 3605402033. The reversal of 3605402025 is 5202045063.

The square root of 3605402025 is 60045.

It is a perfect power (a square), and thus also a powerful number.

3605402025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1297944729 + 2307457296 = 36027^2 + 48036^2 .

It is not a de Polignac number, because 3605402025 - 2⁵ = 3605401993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3605402025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 898674 + ... + 902676.

Almost surely, 2^3605402025 is an apocalyptic number.

3605402025 is the 60045-th square number.

3605402025 is the 30023-rd centered octagonal number.

It is an amenable number.

3605402025 is a deficient number, since it is larger than the sum of its proper divisors (2853887214).

3605402025 is an frugal number, since it uses more digits than its factorization.

3605402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The cubic root of 3605402025 is about 1533.3850784627.

Adding to 3605402025 its reverse (5202045063), we get a palindrome (8807447088).

The spelling of 3605402025 in words is "three billion, six hundred five million, four hundred two thousand, twenty-five".