10505506 has 8 divisors (see below), whose sum is σ = 17190864. Its totient is φ = 4775220.

The previous prime is 10505491. The next prime is 10505527. The reversal of 10505506 is 60550501.

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

It is a super-2 number, since 2×10505506² = 220731312632072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 477523 = 10505506 / (1 + 0 + 5 + 0 + 5 + 5 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238740 + ... + 238783.

It is an arithmetic number, because the mean of its divisors is an integer number (2148858).

Almost surely, 2^10505506 is an apocalyptic number.

10505506 is a deficient number, since it is larger than the sum of its proper divisors (6685358).

10505506 is a wasteful number, since it uses less digits than its factorization.

10505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477536.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10505506 is about 3241.2198321003. The cubic root of 10505506 is about 219.0142259130.

Multiplying 10505506 by its sum of digits (22), we get a palindrome (231121132).

It can be divided in two parts, 10505 and 506, that added together give a palindrome (11011).

The spelling of 10505506 in words is "ten million, five hundred five thousand, five hundred six".