81153341 has 8 divisors (see below), whose sum is σ = 83507424. Its totient is φ = 78820560.

The previous prime is 81153311. The next prime is 81153353. The reversal of 81153341 is 14335118.

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 81153341 - 2⁶ = 81153277 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 81153341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81153311) 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, 2570 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (10438428).

Almost surely, 2^81153341 is an apocalyptic number.

It is an amenable number.

81153341 is a deficient number, since it is larger than the sum of its proper divisors (2354083).

81153341 is a wasteful number, since it uses less digits than its factorization.

81153341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651.

The product of its digits is 1440, while the sum is 26.

The square root of 81153341 is about 9008.5149164554. The cubic root of 81153341 is about 432.9477310691.

Adding to 81153341 its reverse (14335118), we get a palindrome (95488459).

The spelling of 81153341 in words is "eighty-one million, one hundred fifty-three thousand, three hundred forty-one".