285111041 has 2 divisors, whose sum is σ = 285111042. Its totient is φ = 285111040.

The previous prime is 285110993. The next prime is 285111109. The reversal of 285111041 is 140111582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262310416 + 22800625 = 16196^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 285111041 - 2¹⁰ = 285110017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 285110998 and 285111016.

It is not a weakly prime, because it can be changed into another prime (285113041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142555520 + 142555521.

It is an arithmetic number, because the mean of its divisors is an integer number (142555521).

Almost surely, 2^285111041 is an apocalyptic number.

It is an amenable number.

285111041 is a deficient number, since it is larger than the sum of its proper divisors (1).

285111041 is an equidigital number, since it uses as much as digits as its factorization.

285111041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 285111041 is about 16885.2314464446. The cubic root of 285111041 is about 658.1698925073.

The spelling of 285111041 in words is "two hundred eighty-five million, one hundred eleven thousand, forty-one".