850185101 has 2 divisors, whose sum is σ = 850185102. Its totient is φ = 850185100.

The previous prime is 850185073. The next prime is 850185151. The reversal of 850185101 is 101581058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802588900 + 47596201 = 28330^2 + 6899^2 .

It is a cyclic number.

It is not a de Polignac number, because 850185101 - 2²² = 845990797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850185151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425092550 + 425092551.

It is an arithmetic number, because the mean of its divisors is an integer number (425092551).

Almost surely, 2^850185101 is an apocalyptic number.

It is an amenable number.

850185101 is a deficient number, since it is larger than the sum of its proper divisors (1).

850185101 is an equidigital number, since it uses as much as digits as its factorization.

850185101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 850185101 is about 29157.9337573841. The cubic root of 850185101 is about 947.3369930964.

The spelling of 850185101 in words is "eight hundred fifty million, one hundred eighty-five thousand, one hundred one".