10509494 has 8 divisors (see below), whose sum is σ = 15787488. Its totient is φ = 5247000.

The previous prime is 10509487. The next prime is 10509503. The reversal of 10509494 is 49490501.

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

It is a super-2 number, since 2×10509494² = 220898928272072, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10509494.

It is a congruent 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, 1997 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (1973436).

Almost surely, 2^10509494 is an apocalyptic number.

10509494 is a deficient number, since it is larger than the sum of its proper divisors (5277994).

10509494 is an equidigital number, since it uses as much as digits as its factorization.

10509494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 10509494 is about 3241.8349742083. The cubic root of 10509494 is about 219.0419357709.

Adding to 10509494 its reverse (49490501), we get a palindrome (59999995).

The spelling of 10509494 in words is "ten million, five hundred nine thousand, four hundred ninety-four".