83942051 has 2 divisors, whose sum is σ = 83942052. Its totient is φ = 83942050.

The previous prime is 83942021. The next prime is 83942059. The reversal of 83942051 is 15024938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83942051 - 2¹⁸ = 83679907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83941999 and 83942017.

It is not a weakly prime, because it can be changed into another prime (83942059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41971025 + 41971026.

It is an arithmetic number, because the mean of its divisors is an integer number (41971026).

Almost surely, 2^83942051 is an apocalyptic number.

83942051 is a deficient number, since it is larger than the sum of its proper divisors (1).

83942051 is an equidigital number, since it uses as much as digits as its factorization.

83942051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 83942051 is about 9161.9894673591. The cubic root of 83942051 is about 437.8511809978.

Adding to 83942051 its reverse (15024938), we get a palindrome (98966989).

The spelling of 83942051 in words is "eighty-three million, nine hundred forty-two thousand, fifty-one".