286124381 has 2 divisors, whose sum is σ = 286124382. Its totient is φ = 286124380.

The previous prime is 286124341. The next prime is 286124417. The reversal of 286124381 is 183421682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 19945156 = 16315^2 + 4466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286124381 is a prime.

It is a super-2 number, since 2×286124381² = 163734322805266322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286124341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143062190 + 143062191.

It is an arithmetic number, because the mean of its divisors is an integer number (143062191).

Almost surely, 2^286124381 is an apocalyptic number.

It is an amenable number.

286124381 is a deficient number, since it is larger than the sum of its proper divisors (1).

286124381 is an equidigital number, since it uses as much as digits as its factorization.

286124381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 286124381 is about 16915.2115269068. The cubic root of 286124381 is about 658.9487250592.

The spelling of 286124381 in words is "two hundred eighty-six million, one hundred twenty-four thousand, three hundred eighty-one".