85004653 has 2 divisors, whose sum is σ = 85004654. Its totient is φ = 85004652.

The previous prime is 85004629. The next prime is 85004671. The reversal of 85004653 is 35640058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49744809 + 35259844 = 7053^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 85004653 - 2²¹ = 82907501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85004453) 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, 42502326 + 42502327.

It is an arithmetic number, because the mean of its divisors is an integer number (42502327).

Almost surely, 2^85004653 is an apocalyptic number.

It is an amenable number.

85004653 is a deficient number, since it is larger than the sum of its proper divisors (1).

85004653 is an equidigital number, since it uses as much as digits as its factorization.

85004653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 85004653 is about 9219.7967981946. The cubic root of 85004653 is about 439.6909899904.

The spelling of 85004653 in words is "eighty-five million, four thousand, six hundred fifty-three".