970286981 has 2 divisors, whose sum is σ = 970286982. Its totient is φ = 970286980.

The previous prime is 970286929. The next prime is 970286983. The reversal of 970286981 is 189682079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839550625 + 130736356 = 28975^2 + 11434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970286981 is a prime.

It is a super-2 number, since 2×970286981² = 1882913650996188722, which contains 22 as substring.

Together with 970286983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970286983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485143490 + 485143491.

It is an arithmetic number, because the mean of its divisors is an integer number (485143491).

Almost surely, 2^970286981 is an apocalyptic number.

It is an amenable number.

970286981 is a deficient number, since it is larger than the sum of its proper divisors (1).

970286981 is an equidigital number, since it uses as much as digits as its factorization.

970286981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 970286981 is about 31149.4298663716. The cubic root of 970286981 is about 989.9959123050.

The spelling of 970286981 in words is "nine hundred seventy million, two hundred eighty-six thousand, nine hundred eighty-one".