285212701 has 2 divisors, whose sum is σ = 285212702. Its totient is φ = 285212700.

The previous prime is 285212699. The next prime is 285212713. The reversal of 285212701 is 107212582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241056676 + 44156025 = 15526^2 + 6645^2 .

It is a cyclic number.

It is not a de Polignac number, because 285212701 - 2¹ = 285212699 is a prime.

Together with 285212699, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 285212701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285212771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142606350 + 142606351.

It is an arithmetic number, because the mean of its divisors is an integer number (142606351).

Almost surely, 2^285212701 is an apocalyptic number.

It is an amenable number.

285212701 is a deficient number, since it is larger than the sum of its proper divisors (1).

285212701 is an equidigital number, since it uses as much as digits as its factorization.

285212701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 285212701 is about 16888.2415011155. The cubic root of 285212701 is about 658.2481095184.

The spelling of 285212701 in words is "two hundred eighty-five million, two hundred twelve thousand, seven hundred one".