1061055225 has 18 divisors (see below), whose sum is σ = 1900468206. Its totient is φ = 565896000.

The previous prime is 1061055173. The next prime is 1061055271. The reversal of 1061055225 is 5225501601.

1061055225 is a `hidden beast` number, since 106 + 1 + 0 + 552 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 24472809 + 1036582416 = 4947^2 + 32196^2 .

It is not a de Polignac number, because 1061055225 - 2⁷ = 1061055097 is a prime.

It is a super-2 number, since 2×1061055225² = 2251676380999601250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2357676 + ... + 2358125.

It is an arithmetic number, because the mean of its divisors is an integer number (105581567).

Almost surely, 2^1061055225 is an apocalyptic number.

1061055225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061055225 is a deficient number, since it is larger than the sum of its proper divisors (839412981).

1061055225 is a wasteful number, since it uses less digits than its factorization.

1061055225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715817 (or 4715809 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1061055225 is about 32573.8426502002. The cubic root of 1061055225 is about 1019.9510501307.

Adding to 1061055225 its reverse (5225501601), we get a palindrome (6286556826).

The spelling of 1061055225 in words is "one billion, sixty-one million, fifty-five thousand, two hundred twenty-five".