285465073 has 2 divisors, whose sum is σ = 285465074. Its totient is φ = 285465072.

The previous prime is 285465043. The next prime is 285465107. The reversal of 285465073 is 370564582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150626529 + 134838544 = 12273^2 + 11612^2 .

It is a cyclic number.

It is not a de Polignac number, because 285465073 - 2²¹ = 283367921 is a prime.

It is not a weakly prime, because it can be changed into another prime (285465013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142732536 + 142732537.

It is an arithmetic number, because the mean of its divisors is an integer number (142732537).

Almost surely, 2^285465073 is an apocalyptic number.

It is an amenable number.

285465073 is a deficient number, since it is larger than the sum of its proper divisors (1).

285465073 is an equidigital number, since it uses as much as digits as its factorization.

285465073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 285465073 is about 16895.7116748600. The cubic root of 285465073 is about 658.4422037470.

The spelling of 285465073 in words is "two hundred eighty-five million, four hundred sixty-five thousand, seventy-three".