82981241 has 4 divisors (see below), whose sum is σ = 94835712. Its totient is φ = 71126772.

The previous prime is 82981237. The next prime is 82981243. The reversal of 82981241 is 14218928.

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 82981241 - 2² = 82981237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82981243) 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, 5927225 + ... + 5927238.

It is an arithmetic number, because the mean of its divisors is an integer number (23708928).

Almost surely, 2^82981241 is an apocalyptic number.

It is an amenable number.

82981241 is a deficient number, since it is larger than the sum of its proper divisors (11854471).

82981241 is a wasteful number, since it uses less digits than its factorization.

82981241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11854470.

The product of its digits is 9216, while the sum is 35.

The square root of 82981241 is about 9109.4039870894. The cubic root of 82981241 is about 436.1742019852.

The spelling of 82981241 in words is "eighty-two million, nine hundred eighty-one thousand, two hundred forty-one".