10840513 has 2 divisors, whose sum is σ = 10840514. Its totient is φ = 10840512.

The previous prime is 10840457. The next prime is 10840541. The reversal of 10840513 is 31504801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 3249 = 3292^2 + 57^2 .

It is an emirp because it is prime and its reverse (31504801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10840513 - 2¹³ = 10832321 is a prime.

It is not a weakly prime, because it can be changed into another prime (10840553) by changing a digit.

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 as a sum of consecutive naturals, namely, 5420256 + 5420257.

It is an arithmetic number, because the mean of its divisors is an integer number (5420257).

Almost surely, 2^10840513 is an apocalyptic number.

It is an amenable number.

10840513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840513 is an equidigital number, since it uses as much as digits as its factorization.

10840513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10840513 is about 3292.4934320360. The cubic root of 10840513 is about 221.3179360892.

The spelling of 10840513 in words is "ten million, eight hundred forty thousand, five hundred thirteen".