81265327 has 8 divisors (see below), whose sum is σ = 95472720. Its totient is φ = 68194560.

The previous prime is 81265267. The next prime is 81265333. The reversal of 81265327 is 72356218.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81265327 - 2¹¹ = 81263279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 81265292 and 81265301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81265367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284002 + ... + 284287.

It is an arithmetic number, because the mean of its divisors is an integer number (11934090).

Almost surely, 2^81265327 is an apocalyptic number.

81265327 is a deficient number, since it is larger than the sum of its proper divisors (14207393).

81265327 is a wasteful number, since it uses less digits than its factorization.

81265327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568313.

The product of its digits is 20160, while the sum is 34.

The square root of 81265327 is about 9014.7283375596. The cubic root of 81265327 is about 433.1467855156.

The spelling of 81265327 in words is "eighty-one million, two hundred sixty-five thousand, three hundred twenty-seven".