85495951 has 2 divisors, whose sum is σ = 85495952. Its totient is φ = 85495950.

The previous prime is 85495931. The next prime is 85495987. The reversal of 85495951 is 15959458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85495951 - 2⁵ = 85495919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85495931) 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, 42747975 + 42747976.

It is an arithmetic number, because the mean of its divisors is an integer number (42747976).

Almost surely, 2^85495951 is an apocalyptic number.

85495951 is a deficient number, since it is larger than the sum of its proper divisors (1).

85495951 is an equidigital number, since it uses as much as digits as its factorization.

85495951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 46.

The square root of 85495951 is about 9246.4020570166. The cubic root of 85495951 is about 440.5364514047.

The spelling of 85495951 in words is "eighty-five million, four hundred ninety-five thousand, nine hundred fifty-one".