6607251225 has 27 divisors (see below), whose sum is σ = 11836505343. Its totient is φ = 3523217040.

The previous prime is 6607251199. The next prime is 6607251251. The reversal of 6607251225 is 5221527066.

The square root of 6607251225 is 81285.

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

6607251225 is a `hidden beast` number, since 6 + 607 + 25 + 1 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (6607251199) and next prime (6607251251).

It can be written as a sum of positive squares in only one way, i.e., 2378610441 + 4228640784 = 48771^2 + 65028^2 .

It is not a de Polignac number, because 6607251225 - 2¹⁷ = 6607120153 is a prime.

It is a super-3 number, since 3×6607251225³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6607251225.

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, 1216566 + ... + 1221984.

Almost surely, 2^6607251225 is an apocalyptic number.

6607251225 is the 81285-th square number.

6607251225 is the 40643-rd centered octagonal number.

It is an amenable number.

6607251225 is a deficient number, since it is larger than the sum of its proper divisors (5229254118).

6607251225 is an frugal number, since it uses more digits than its factorization.

6607251225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854 (or 5427 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The cubic root of 6607251225 is about 1876.4641576983.

Multiplying 6607251225 by its sum of digits (36), we get a square (237861044100 = 487710²).

The spelling of 6607251225 in words is "six billion, six hundred seven million, two hundred fifty-one thousand, two hundred twenty-five".