10857505 has 8 divisors (see below), whose sum is σ = 13108032. Its totient is φ = 8633328.

The previous prime is 10857503. The next prime is 10857521. The reversal of 10857505 is 50575801.

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 10857505 - 2¹ = 10857503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10857503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5667 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (1638504).

Almost surely, 2^10857505 is an apocalyptic number.

It is an amenable number.

10857505 is a deficient number, since it is larger than the sum of its proper divisors (2250527).

10857505 is a wasteful number, since it uses less digits than its factorization.

10857505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13175.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 10857505 is about 3295.0728368277. The cubic root of 10857505 is about 221.4335109150.

The spelling of 10857505 in words is "ten million, eight hundred fifty-seven thousand, five hundred five".