85107541 has 2 divisors, whose sum is σ = 85107542. Its totient is φ = 85107540.

The previous prime is 85107469. The next prime is 85107563. The reversal of 85107541 is 14570158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83338641 + 1768900 = 9129^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 85107541 - 2¹⁹ = 84583253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85102541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42553770 + 42553771.

It is an arithmetic number, because the mean of its divisors is an integer number (42553771).

Almost surely, 2^85107541 is an apocalyptic number.

It is an amenable number.

85107541 is a deficient number, since it is larger than the sum of its proper divisors (1).

85107541 is an equidigital number, since it uses as much as digits as its factorization.

85107541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 85107541 is about 9225.3748433329. The cubic root of 85107541 is about 439.8683163097.

Adding to 85107541 its reverse (14570158), we get a palindrome (99677699).

The spelling of 85107541 in words is "eighty-five million, one hundred seven thousand, five hundred forty-one".