10274809 has 2 divisors, whose sum is σ = 10274810. Its totient is φ = 10274808.

The previous prime is 10274773. The next prime is 10274821. The reversal of 10274809 is 90847201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 162409 = 3180^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 10274809 - 2¹¹ = 10272761 is a prime.

It is not a weakly prime, because it can be changed into another prime (10274879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5137404 + 5137405.

It is an arithmetic number, because the mean of its divisors is an integer number (5137405).

Almost surely, 2^10274809 is an apocalyptic number.

It is an amenable number.

10274809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10274809 is an equidigital number, since it uses as much as digits as its factorization.

10274809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 10274809 is about 3205.4342919486. The cubic root of 10274809 is about 217.3991887593.

The spelling of 10274809 in words is "ten million, two hundred seventy-four thousand, eight hundred nine".