855146041 has 2 divisors, whose sum is σ = 855146042. Its totient is φ = 855146040.

The previous prime is 855146029. The next prime is 855146051. The reversal of 855146041 is 140641558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527391225 + 327754816 = 22965^2 + 18104^2 .

It is a cyclic number.

It is not a de Polignac number, because 855146041 - 2⁵ = 855146009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855145988 and 855146006.

It is not a weakly prime, because it can be changed into another prime (855146021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427573020 + 427573021.

It is an arithmetic number, because the mean of its divisors is an integer number (427573021).

Almost surely, 2^855146041 is an apocalyptic number.

It is an amenable number.

855146041 is a deficient number, since it is larger than the sum of its proper divisors (1).

855146041 is an equidigital number, since it uses as much as digits as its factorization.

855146041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 855146041 is about 29242.8801762070. The cubic root of 855146041 is about 949.1760319956.

Adding to 855146041 its reverse (140641558), we get a palindrome (995787599).

The spelling of 855146041 in words is "eight hundred fifty-five million, one hundred forty-six thousand, forty-one".