2660061225 has 24 divisors (see below), whose sum is σ = 4399530912. Its totient is φ = 1418195200.

The previous prime is 2660061203. The next prime is 2660061233. The reversal of 2660061225 is 5221600662.

It is not a de Polignac number, because 2660061225 - 2⁷ = 2660061097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660061192 and 2660061201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313894 + ... + 322256.

It is an arithmetic number, because the mean of its divisors is an integer number (183313788).

Almost surely, 2^2660061225 is an apocalyptic number.

2660061225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2660061225 is a deficient number, since it is larger than the sum of its proper divisors (1739469687).

2660061225 is a wasteful number, since it uses less digits than its factorization.

2660061225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617 (or 12612 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2660061225 is about 51575.7813804115. The cubic root of 2660061225 is about 1385.5766126402.

Adding to 2660061225 its reverse (5221600662), we get a palindrome (7881661887).

The spelling of 2660061225 in words is "two billion, six hundred sixty million, sixty-one thousand, two hundred twenty-five".