285072041 has 2 divisors, whose sum is σ = 285072042. Its totient is φ = 285072040.

The previous prime is 285072019. The next prime is 285072071. The reversal of 285072041 is 140270582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284934400 + 137641 = 16880^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 285072041 - 2⁶ = 285071977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285071995 and 285072013.

It is not a weakly prime, because it can be changed into another prime (285072071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142536020 + 142536021.

It is an arithmetic number, because the mean of its divisors is an integer number (142536021).

Almost surely, 2^285072041 is an apocalyptic number.

It is an amenable number.

285072041 is a deficient number, since it is larger than the sum of its proper divisors (1).

285072041 is an equidigital number, since it uses as much as digits as its factorization.

285072041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 285072041 is about 16884.0765515914. The cubic root of 285072041 is about 658.1398810468.

The spelling of 285072041 in words is "two hundred eighty-five million, seventy-two thousand, forty-one".