83441551 has 2 divisors, whose sum is σ = 83441552. Its totient is φ = 83441550.

The previous prime is 83441509. The next prime is 83441563. The reversal of 83441551 is 15514438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83441551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83441581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41720775 + 41720776.

It is an arithmetic number, because the mean of its divisors is an integer number (41720776).

Almost surely, 2^83441551 is an apocalyptic number.

83441551 is a deficient number, since it is larger than the sum of its proper divisors (1).

83441551 is an equidigital number, since it uses as much as digits as its factorization.

83441551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 83441551 is about 9134.6346943925. The cubic root of 83441551 is about 436.9792242618.

Adding to 83441551 its reverse (15514438), we get a palindrome (98955989).

The spelling of 83441551 in words is "eighty-three million, four hundred forty-one thousand, five hundred fifty-one".