10279805 has 4 divisors (see below), whose sum is σ = 12335772. Its totient is φ = 8223840.

The previous prime is 10279783. The next prime is 10279813. The reversal of 10279805 is 50897201.

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 3587236 + 6692569 = 1894^2 + 2587^2 .

It is not a de Polignac number, because 10279805 - 2¹⁰ = 10278781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027976 + ... + 1027985.

It is an arithmetic number, because the mean of its divisors is an integer number (3083943).

Almost surely, 2^10279805 is an apocalyptic number.

It is an amenable number.

10279805 is a deficient number, since it is larger than the sum of its proper divisors (2055967).

10279805 is an equidigital number, since it uses as much as digits as its factorization.

10279805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055966.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 10279805 is about 3206.2134988176. The cubic root of 10279805 is about 217.4344189472.

The spelling of 10279805 in words is "ten million, two hundred seventy-nine thousand, eight hundred five".