10185641 has 4 divisors (see below), whose sum is σ = 10536900. Its totient is φ = 9834384.

The previous prime is 10185629. The next prime is 10185649. The reversal of 10185641 is 14658101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 6651241 = 1880^2 + 2579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10185641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10185641.

It is not an unprimeable number, because it can be changed into a prime (10185649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175586 + ... + 175643.

It is an arithmetic number, because the mean of its divisors is an integer number (2634225).

Almost surely, 2^10185641 is an apocalyptic number.

It is an amenable number.

10185641 is a deficient number, since it is larger than the sum of its proper divisors (351259).

10185641 is an equidigital number, since it uses as much as digits as its factorization.

10185641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351258.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10185641 is about 3191.4951041792. The cubic root of 10185641 is about 216.7684747056.

The spelling of 10185641 in words is "ten million, one hundred eighty-five thousand, six hundred forty-one".