10509146 has 8 divisors (see below), whose sum is σ = 15792084. Its totient is φ = 5245120.

The previous prime is 10509131. The next prime is 10509167. The reversal of 10509146 is 64190501.

It can be written as a sum of positive squares in 2 ways, for example, as 8934121 + 1575025 = 2989^2 + 1255^2 .

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

It is a super-2 number, since 2×10509146² = 220884299298632, which contains 22 as substring.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 3245 + ... + 5616.

Almost surely, 2^10509146 is an apocalyptic number.

10509146 is a deficient number, since it is larger than the sum of its proper divisors (5282938).

10509146 is an equidigital number, since it uses as much as digits as its factorization.

10509146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9456.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10509146 is about 3241.7813004581. The cubic root of 10509146 is about 219.0395180384.

Adding to 10509146 its reverse (64190501), we get a palindrome (74699647).

The spelling of 10509146 in words is "ten million, five hundred nine thousand, one hundred forty-six".