285314641 has 2 divisors, whose sum is σ = 285314642. Its totient is φ = 285314640.

The previous prime is 285314639. The next prime is 285314671. The reversal of 285314641 is 146413582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235315600 + 49999041 = 15340^2 + 7071^2 .

It is a cyclic number.

It is not a de Polignac number, because 285314641 - 2¹ = 285314639 is a prime.

Together with 285314639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 285314597 and 285314606.

It is not a weakly prime, because it can be changed into another prime (285314671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142657320 + 142657321.

It is an arithmetic number, because the mean of its divisors is an integer number (142657321).

Almost surely, 2^285314641 is an apocalyptic number.

It is an amenable number.

285314641 is a deficient number, since it is larger than the sum of its proper divisors (1).

285314641 is an equidigital number, since it uses as much as digits as its factorization.

285314641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 285314641 is about 16891.2593077011. The cubic root of 285314641 is about 658.3265233001.

The spelling of 285314641 in words is "two hundred eighty-five million, three hundred fourteen thousand, six hundred forty-one".