10500775 has 12 divisors (see below), whose sum is σ = 13113000. Its totient is φ = 8341280.

The previous prime is 10500773. The next prime is 10500779. The reversal of 10500775 is 57700501.

It is not a de Polignac number, because 10500775 - 2¹ = 10500773 is a prime.

It is a super-2 number, since 2×10500775² = 220532551201250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2316 + ... + 5134.

It is an arithmetic number, because the mean of its divisors is an integer number (1092750).

Almost surely, 2^10500775 is an apocalyptic number.

10500775 is a deficient number, since it is larger than the sum of its proper divisors (2612225).

10500775 is a wasteful number, since it uses less digits than its factorization.

10500775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 10500775 is about 3240.4899320936. The cubic root of 10500775 is about 218.9813443656.

The spelling of 10500775 in words is "ten million, five hundred thousand, seven hundred seventy-five".