101066539 has 4 divisors (see below), whose sum is σ = 115504624. Its totient is φ = 86628456.

The previous prime is 101066533. The next prime is 101066543. The reversal of 101066539 is 935660101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935660101 = 419 ⋅2233079.

It is a cyclic number.

It is not a de Polignac number, because 101066539 - 2⁵ = 101066507 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 101066539.

It is not an unprimeable number, because it can be changed into a prime (101066533) 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, 7219032 + ... + 7219045.

It is an arithmetic number, because the mean of its divisors is an integer number (28876156).

Almost surely, 2^101066539 is an apocalyptic number.

101066539 is a deficient number, since it is larger than the sum of its proper divisors (14438085).

101066539 is an equidigital number, since it uses as much as digits as its factorization.

101066539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438084.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 101066539 is about 10053.1855150494. The cubic root of 101066539 is about 465.8031965666.

The spelling of 101066539 in words is "one hundred one million, sixty-six thousand, five hundred thirty-nine".