85573141 has 2 divisors, whose sum is σ = 85573142. Its totient is φ = 85573140.

The previous prime is 85573129. The next prime is 85573151. The reversal of 85573141 is 14137558.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58844241 + 26728900 = 7671^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 85573141 - 2¹⁹ = 85048853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85573097 and 85573106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85573151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42786570 + 42786571.

It is an arithmetic number, because the mean of its divisors is an integer number (42786571).

Almost surely, 2^85573141 is an apocalyptic number.

It is an amenable number.

85573141 is a deficient number, since it is larger than the sum of its proper divisors (1).

85573141 is an equidigital number, since it uses as much as digits as its factorization.

85573141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 85573141 is about 9250.5751713069. The cubic root of 85573141 is about 440.6689909368.

The spelling of 85573141 in words is "eighty-five million, five hundred seventy-three thousand, one hundred forty-one".