296971021 has 2 divisors, whose sum is σ = 296971022. Its totient is φ = 296971020.

The previous prime is 296970959. The next prime is 296971027. The reversal of 296971021 is 120179692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171217225 + 125753796 = 13085^2 + 11214^2 .

It is a cyclic number.

It is not a de Polignac number, because 296971021 - 2¹⁵ = 296938253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (296971027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148485510 + 148485511.

It is an arithmetic number, because the mean of its divisors is an integer number (148485511).

Almost surely, 2^296971021 is an apocalyptic number.

It is an amenable number.

296971021 is a deficient number, since it is larger than the sum of its proper divisors (1).

296971021 is an equidigital number, since it uses as much as digits as its factorization.

296971021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 296971021 is about 17232.8471530389. The cubic root of 296971021 is about 667.1723265596.

The spelling of 296971021 in words is "two hundred ninety-six million, nine hundred seventy-one thousand, twenty-one".