69081 has 4 divisors (see below), whose sum is σ = 92112. Its totient is φ = 46052.

The previous prime is 69073. The next prime is 69109. The reversal of 69081 is 18096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69081 - 2³ = 69073 is a prime.

It is a super-2 number, since 2×69081² = 9544369122, which contains 22 as substring.

It is a D-number.

69081 is a modest number, since divided by 81 gives 69 as remainder.

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (69001) 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, 11511 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (23028).

2⁶⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

69081 is a deficient number, since it is larger than the sum of its proper divisors (23031).

69081 is a wasteful number, since it uses less digits than its factorization.

69081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 69081 is about 262.8326463741. The cubic root of 69081 is about 41.0317026266.

The spelling of 69081 in words is "sixty-nine thousand, eighty-one".