285612001 has 2 divisors, whose sum is σ = 285612002. Its totient is φ = 285612000.

The previous prime is 285611987. The next prime is 285612007. The reversal of 285612001 is 100216582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184307776 + 101304225 = 13576^2 + 10065^2 .

It is a cyclic number.

It is not a de Polignac number, because 285612001 - 2⁹ = 285611489 is a prime.

It is not a weakly prime, because it can be changed into another prime (285612007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142806000 + 142806001.

It is an arithmetic number, because the mean of its divisors is an integer number (142806001).

Almost surely, 2^285612001 is an apocalyptic number.

It is an amenable number.

285612001 is a deficient number, since it is larger than the sum of its proper divisors (1).

285612001 is an equidigital number, since it uses as much as digits as its factorization.

285612001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 285612001 is about 16900.0592010797. The cubic root of 285612001 is about 658.5551504343. Note that the first 3 decimals are identical.

Adding to 285612001 its reverse (100216582), we get a palindrome (385828583).

The spelling of 285612001 in words is "two hundred eighty-five million, six hundred twelve thousand, one".