92017421 has 2 divisors, whose sum is σ = 92017422. Its totient is φ = 92017420.

The previous prime is 92017357. The next prime is 92017423. The reversal of 92017421 is 12471029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91891396 + 126025 = 9586^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 92017421 - 2⁶ = 92017357 is a prime.

Together with 92017423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92017423) 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, 46008710 + 46008711.

It is an arithmetic number, because the mean of its divisors is an integer number (46008711).

Almost surely, 2^92017421 is an apocalyptic number.

It is an amenable number.

92017421 is a deficient number, since it is larger than the sum of its proper divisors (1).

92017421 is an equidigital number, since it uses as much as digits as its factorization.

92017421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 92017421 is about 9592.5711360406. The cubic root of 92017421 is about 451.4642361769.

The spelling of 92017421 in words is "ninety-two million, seventeen thousand, four hundred twenty-one".