1066042025 has 72 divisors (see below), whose sum is σ = 1484217504. Its totient is φ = 758419200.

The previous prime is 1066041989. The next prime is 1066042049. The reversal of 1066042025 is 5202406601.

1066042025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066042025 - 2⁶ = 1066041961 is a prime.

It is a super-2 number, since 2×1066042025² = 2272891198132201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066041985 and 1066042003.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15911042 + ... + 15911108.

It is an arithmetic number, because the mean of its divisors is an integer number (20614132).

Almost surely, 2^1066042025 is an apocalyptic number.

It is an amenable number.

1066042025 is a deficient number, since it is larger than the sum of its proper divisors (418175479).

1066042025 is a wasteful number, since it uses less digits than its factorization.

1066042025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1066042025 is about 32650.2990032251. The cubic root of 1066042025 is about 1021.5464255798.

Adding to 1066042025 its reverse (5202406601), we get a palindrome (6268448626).

The spelling of 1066042025 in words is "one billion, sixty-six million, forty-two thousand, twenty-five".