85050547 has 2 divisors, whose sum is σ = 85050548. Its totient is φ = 85050546.

The previous prime is 85050509. The next prime is 85050557. The reversal of 85050547 is 74505058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85050547 - 2⁷ = 85050419 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85050557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42525273 + 42525274.

It is an arithmetic number, because the mean of its divisors is an integer number (42525274).

Almost surely, 2^85050547 is an apocalyptic number.

85050547 is a deficient number, since it is larger than the sum of its proper divisors (1).

85050547 is an equidigital number, since it uses as much as digits as its factorization.

85050547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 85050547 is about 9222.2853458348. The cubic root of 85050547 is about 439.7701054548.

The spelling of 85050547 in words is "eighty-five million, fifty thousand, five hundred forty-seven".