855010133 has 2 divisors, whose sum is σ = 855010134. Its totient is φ = 855010132.

The previous prime is 855010129. The next prime is 855010157. The reversal of 855010133 is 331010558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852523204 + 2486929 = 29198^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 855010133 - 2² = 855010129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855010183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427505066 + 427505067.

It is an arithmetic number, because the mean of its divisors is an integer number (427505067).

Almost surely, 2^855010133 is an apocalyptic number.

It is an amenable number.

855010133 is a deficient number, since it is larger than the sum of its proper divisors (1).

855010133 is an equidigital number, since it uses as much as digits as its factorization.

855010133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 855010133 is about 29240.5563045575. The cubic root of 855010133 is about 949.1257452825.

The spelling of 855010133 in words is "eight hundred fifty-five million, ten thousand, one hundred thirty-three".