85407941 has 2 divisors, whose sum is σ = 85407942. Its totient is φ = 85407940.

The previous prime is 85407937. The next prime is 85407943. The reversal of 85407941 is 14970458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 16434916 = 8305^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 85407941 - 2² = 85407937 is a prime.

Together with 85407943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85407895 and 85407904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85407943) 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, 42703970 + 42703971.

It is an arithmetic number, because the mean of its divisors is an integer number (42703971).

Almost surely, 2^85407941 is an apocalyptic number.

It is an amenable number.

85407941 is a deficient number, since it is larger than the sum of its proper divisors (1).

85407941 is an equidigital number, since it uses as much as digits as its factorization.

85407941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 85407941 is about 9241.6416831643. The cubic root of 85407941 is about 440.3852359606.

The spelling of 85407941 in words is "eighty-five million, four hundred seven thousand, nine hundred forty-one".