85963541 has 2 divisors, whose sum is σ = 85963542. Its totient is φ = 85963540.

The previous prime is 85963529. The next prime is 85963547. The reversal of 85963541 is 14536958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85951441 + 12100 = 9271^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 85963541 - 2⁶ = 85963477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85963547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42981770 + 42981771.

It is an arithmetic number, because the mean of its divisors is an integer number (42981771).

Almost surely, 2^85963541 is an apocalyptic number.

It is an amenable number.

85963541 is a deficient number, since it is larger than the sum of its proper divisors (1).

85963541 is an equidigital number, since it uses as much as digits as its factorization.

85963541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 85963541 is about 9271.6525495728. The cubic root of 85963541 is about 441.3381113783.

The spelling of 85963541 in words is "eighty-five million, nine hundred sixty-three thousand, five hundred forty-one".