10509210 has 32 divisors (see below), whose sum is σ = 28025280. Its totient is φ = 2802384.

The previous prime is 10509203. The next prime is 10509241. The reversal of 10509210 is 1290501.

It is a super-2 number, since 2×10509210² = 220886989648200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19192 + ... + 19731.

It is an arithmetic number, because the mean of its divisors is an integer number (875790).

Almost surely, 2^10509210 is an apocalyptic number.

10509210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10509210 is an abundant number, since it is smaller than the sum of its proper divisors (17516070).

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

10509210 is a wasteful number, since it uses less digits than its factorization.

10509210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38939 (or 38933 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 10509210 is about 3241.7911715593. The cubic root of 10509210 is about 219.0399626829.

Adding to 10509210 its reverse (1290501), we get a palindrome (11799711).

The spelling of 10509210 in words is "ten million, five hundred nine thousand, two hundred ten".