85056953 has 2 divisors, whose sum is σ = 85056954. Its totient is φ = 85056952.

The previous prime is 85056943. The next prime is 85056991. The reversal of 85056953 is 35965058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 41126569 = 6628^2 + 6413^2 .

It is a cyclic number.

It is not a de Polignac number, because 85056953 - 2⁶ = 85056889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85056953.

It is not a weakly prime, because it can be changed into another prime (85056943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42528476 + 42528477.

It is an arithmetic number, because the mean of its divisors is an integer number (42528477).

Almost surely, 2^85056953 is an apocalyptic number.

It is an amenable number.

85056953 is a deficient number, since it is larger than the sum of its proper divisors (1).

85056953 is an equidigital number, since it uses as much as digits as its factorization.

85056953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 85056953 is about 9222.6326501710. The cubic root of 85056953 is about 439.7811463267.

The spelling of 85056953 in words is "eighty-five million, fifty-six thousand, nine hundred fifty-three".