10505001 has 16 divisors (see below), whose sum is σ = 15572480. Its totient is φ = 6255360.

The previous prime is 10504999. The next prime is 10505039. The reversal of 10505001 is 10050501.

It is not a de Polignac number, because 10505001 - 2¹ = 10504999 is a prime.

It is a super-2 number, since 2×10505001² = 220710092020002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3136 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (973280).

Almost surely, 2^10505001 is an apocalyptic number.

It is an amenable number.

10505001 is a deficient number, since it is larger than the sum of its proper divisors (5067479).

10505001 is a wasteful number, since it uses less digits than its factorization.

10505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 10505001 is about 3241.1419283950. The cubic root of 10505001 is about 219.0107165165.

Adding to 10505001 its reverse (10050501), we get a palindrome (20555502).

It can be divided in two parts, 1050500 and 1, that added together give a palindrome (1050501).

The spelling of 10505001 in words is "ten million, five hundred five thousand, one".