842538371 has 2 divisors, whose sum is σ = 842538372. Its totient is φ = 842538370.

The previous prime is 842538341. The next prime is 842538379. The reversal of 842538371 is 173835248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842538371 - 2¹⁰ = 842537347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (842538379) 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 as a sum of consecutive naturals, namely, 421269185 + 421269186.

It is an arithmetic number, because the mean of its divisors is an integer number (421269186).

Almost surely, 2^842538371 is an apocalyptic number.

842538371 is a deficient number, since it is larger than the sum of its proper divisors (1).

842538371 is an equidigital number, since it uses as much as digits as its factorization.

842538371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 842538371 is about 29026.5115196436. The cubic root of 842538371 is about 944.4882575902.

The spelling of 842538371 in words is "eight hundred forty-two million, five hundred thirty-eight thousand, three hundred seventy-one".