286201381 has 2 divisors, whose sum is σ = 286201382. Its totient is φ = 286201380.

The previous prime is 286201379. The next prime is 286201429. The reversal of 286201381 is 183102682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169885156 + 116316225 = 13034^2 + 10785^2 .

It is a cyclic number.

It is not a de Polignac number, because 286201381 - 2¹ = 286201379 is a prime.

It is a super-2 number, since 2×286201381² = 163822460972614322, which contains 22 as substring.

Together with 286201379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286201301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143100690 + 143100691.

It is an arithmetic number, because the mean of its divisors is an integer number (143100691).

Almost surely, 2^286201381 is an apocalyptic number.

It is an amenable number.

286201381 is a deficient number, since it is larger than the sum of its proper divisors (1).

286201381 is an equidigital number, since it uses as much as digits as its factorization.

286201381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 286201381 is about 16917.4874316489. The cubic root of 286201381 is about 659.0078304744.

The spelling of 286201381 in words is "two hundred eighty-six million, two hundred one thousand, three hundred eighty-one".