84521283241 has 4 divisors (see below), whose sum is σ = 84532070484. Its totient is φ = 84510496000.

The previous prime is 84521283221. The next prime is 84521283299. The reversal of 84521283241 is 14238212548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29118009600 + 55403273641 = 170640^2 + 235379^2 .

It is a cyclic number.

It is not a de Polignac number, because 84521283241 - 2⁷ = 84521283113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84521283194 and 84521283203.

It is not an unprimeable number, because it can be changed into a prime (84521283221) 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, 5381860 + ... + 5397541.

It is an arithmetic number, because the mean of its divisors is an integer number (21133017621).

Almost surely, 2^84521283241 is an apocalyptic number.

It is an amenable number.

84521283241 is a deficient number, since it is larger than the sum of its proper divisors (10787243).

84521283241 is a wasteful number, since it uses less digits than its factorization.

84521283241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10787242.

The product of its digits is 122880, while the sum is 40.

Adding to 84521283241 its reverse (14238212548), we get a palindrome (98759495789).

The spelling of 84521283241 in words is "eighty-four billion, five hundred twenty-one million, two hundred eighty-three thousand, two hundred forty-one".