10500500 has 24 divisors (see below), whose sum is σ = 22934184. Its totient is φ = 4200000.

The previous prime is 10500491. The next prime is 10500517. The reversal of 10500500 is 500501.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 9168784 = 1154^2 + 3028^2 .

It is a super-2 number, since 2×10500500² = 220521000500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (11) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 10001 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (955591).

Almost surely, 2^10500500 is an apocalyptic number.

10500500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10500500 is an abundant number, since it is smaller than the sum of its proper divisors (12433684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10500500 is a wasteful number, since it uses less digits than its factorization.

10500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020 (or 21008 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 10500500 is about 3240.4474999605. The cubic root of 10500500 is about 218.9794327481.

Subtracting from 10500500 its reverse (500501), we obtain a palindrome (9999999).

The spelling of 10500500 in words is "ten million, five hundred thousand, five hundred".