10042665 has 16 divisors (see below), whose sum is σ = 17013888. Its totient is φ = 5040896.

The previous prime is 10042639. The next prime is 10042673. The reversal of 10042665 is 56624001.

10042665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10042665 - 2⁵ = 10042633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19437 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (1063368).

Almost surely, 2^10042665 is an apocalyptic number.

10042665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10042665 is a deficient number, since it is larger than the sum of its proper divisors (6971223).

10042665 is a wasteful number, since it uses less digits than its factorization.

10042665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39408.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10042665 is about 3169.0164089193. The cubic root of 10042665 is about 215.7494308064.

Adding to 10042665 its reverse (56624001), we get a palindrome (66666666).

The spelling of 10042665 in words is "ten million, forty-two thousand, six hundred sixty-five".