10005539 has 2 divisors, whose sum is σ = 10005540. Its totient is φ = 10005538.

The previous prime is 10005511. The next prime is 10005559. The reversal of 10005539 is 93550001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10005539 - 2¹² = 10001443 is a prime.

It is a super-4 number, since 4×10005539⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10005509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002769 + 5002770.

It is an arithmetic number, because the mean of its divisors is an integer number (5002770).

Almost surely, 2^10005539 is an apocalyptic number.

10005539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005539 is an equidigital number, since it uses as much as digits as its factorization.

10005539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 10005539 is about 3163.1533317245. The cubic root of 10005539 is about 215.4832397069.

The spelling of 10005539 in words is "ten million, five thousand, five hundred thirty-nine".