81048241 has 16 divisors (see below), whose sum is σ = 85582080. Its totient is φ = 76671360.

The previous prime is 81048223. The next prime is 81048263. The reversal of 81048241 is 14284018.

It is a cyclic number.

It is not a de Polignac number, because 81048241 - 2¹³ = 81040049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81048041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298936 + ... + 299206.

It is an arithmetic number, because the mean of its divisors is an integer number (5348880).

Almost surely, 2^81048241 is an apocalyptic number.

It is an amenable number.

81048241 is a deficient number, since it is larger than the sum of its proper divisors (4533839).

81048241 is a wasteful number, since it uses less digits than its factorization.

81048241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 81048241 is about 9002.6796566356. The cubic root of 81048241 is about 432.7607498006.

The spelling of 81048241 in words is "eighty-one million, forty-eight thousand, two hundred forty-one".