6602253165225 has 27 divisors (see below), whose sum is σ = 11825438036503. Its totient is φ = 3521181132240.

The previous prime is 6602253165223. The next prime is 6602253165229. The reversal of 6602253165225 is 5225613522066.

The square root of 6602253165225 is 2569485.

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

6602253165225 is a `hidden beast` number, since 6 + 60 + 2 + 2 + 53 + 16 + 522 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2376811139481 + 4225442025744 = 1541691^2 + 2055588^2 .

It is not a de Polignac number, because 6602253165225 - 2¹ = 6602253165223 is a prime.

It is a super-2 number, since 2×6602253165225² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6602253165223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 38456626 + ... + 38627924.

Almost surely, 2^{6602253165225} is an apocalyptic number.

6602253165225 is the 2569485-th square number.

6602253165225 is the 1284743-rd centered octagonal number.

It is an amenable number.

6602253165225 is a deficient number, since it is larger than the sum of its proper divisors (5223184871278).

6602253165225 is an frugal number, since it uses more digits than its factorization.

6602253165225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342614 (or 171307 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 6602253165225 in words is "six trillion, six hundred two billion, two hundred fifty-three million, one hundred sixty-five thousand, two hundred twenty-five".