10505505 has 8 divisors (see below), whose sum is σ = 16808832. Its totient is φ = 5602928.

The previous prime is 10505491. The next prime is 10505527. The reversal of 10505505 is 50550501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10505505 - 2⁶ = 10505441 is a prime.

It is a super-2 number, since 2×10505505² = 220731270610050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350169 + ... + 350198.

It is an arithmetic number, because the mean of its divisors is an integer number (2101104).

Almost surely, 2^10505505 is an apocalyptic number.

10505505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10505505 is a deficient number, since it is larger than the sum of its proper divisors (6303327).

10505505 is an equidigital number, since it uses as much as digits as its factorization.

10505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700375.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 10505505 is about 3241.2196778373. The cubic root of 10505505 is about 219.0142189638.

It can be divided in two parts, 1050 and 5505, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 10505505 in words is "ten million, five hundred five thousand, five hundred five".