10065905 has 4 divisors (see below), whose sum is σ = 12079092. Its totient is φ = 8052720.

The previous prime is 10065901. The next prime is 10065907. The reversal of 10065905 is 50956001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 7246864 = 1679^2 + 2692^2 .

It is not a de Polignac number, because 10065905 - 2² = 10065901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10065901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006586 + ... + 1006595.

It is an arithmetic number, because the mean of its divisors is an integer number (3019773).

Almost surely, 2^10065905 is an apocalyptic number.

It is an amenable number.

10065905 is a deficient number, since it is larger than the sum of its proper divisors (2013187).

10065905 is an equidigital number, since it uses as much as digits as its factorization.

10065905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013186.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 10065905 is about 3172.6810429036. The cubic root of 10065905 is about 215.9157264409.

The spelling of 10065905 in words is "ten million, sixty-five thousand, nine hundred five".