1302232397 has 2 divisors, whose sum is σ = 1302232398. Its totient is φ = 1302232396.

The previous prime is 1302232381. The next prime is 1302232417. The reversal of 1302232397 is 7932322031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267787236 + 34445161 = 35606^2 + 5869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302232397 - 2⁴ = 1302232381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302232297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651116198 + 651116199.

It is an arithmetic number, because the mean of its divisors is an integer number (651116199).

Almost surely, 2^1302232397 is an apocalyptic number.

It is an amenable number.

1302232397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302232397 is an equidigital number, since it uses as much as digits as its factorization.

1302232397 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 32.

The square root of 1302232397 is about 36086.4572519941. The cubic root of 1302232397 is about 1092.0172494446.

The spelling of 1302232397 in words is "one billion, three hundred two million, two hundred thirty-two thousand, three hundred ninety-seven".