985935541 has 2 divisors, whose sum is σ = 985935542. Its totient is φ = 985935540.

The previous prime is 985935523. The next prime is 985935547. The reversal of 985935541 is 145539589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805140625 + 180794916 = 28375^2 + 13446^2 .

It is a cyclic number.

It is not a de Polignac number, because 985935541 - 2¹¹ = 985933493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985935547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492967770 + 492967771.

It is an arithmetic number, because the mean of its divisors is an integer number (492967771).

Almost surely, 2^985935541 is an apocalyptic number.

It is an amenable number.

985935541 is a deficient number, since it is larger than the sum of its proper divisors (1).

985935541 is an equidigital number, since it uses as much as digits as its factorization.

985935541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The square root of 985935541 is about 31399.6105230622. The cubic root of 985935541 is about 995.2896948613.

The spelling of 985935541 in words is "nine hundred eighty-five million, nine hundred thirty-five thousand, five hundred forty-one".