286146961 has 2 divisors, whose sum is σ = 286146962. Its totient is φ = 286146960.

The previous prime is 286146919. The next prime is 286147013. The reversal of 286146961 is 169641682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166900561 + 119246400 = 12919^2 + 10920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286146961 is a prime.

It is not a weakly prime, because it can be changed into another prime (286146911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143073480 + 143073481.

It is an arithmetic number, because the mean of its divisors is an integer number (143073481).

Almost surely, 2^286146961 is an apocalyptic number.

It is an amenable number.

286146961 is a deficient number, since it is larger than the sum of its proper divisors (1).

286146961 is an equidigital number, since it uses as much as digits as its factorization.

286146961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 286146961 is about 16915.8789603142. The cubic root of 286146961 is about 658.9660586291.

The spelling of 286146961 in words is "two hundred eighty-six million, one hundred forty-six thousand, nine hundred sixty-one".