1338280597 has 2 divisors, whose sum is σ = 1338280598. Its totient is φ = 1338280596.

The previous prime is 1338280591. The next prime is 1338280607. The reversal of 1338280597 is 7950828331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829958481 + 508322116 = 28809^2 + 22546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338280597 - 2¹⁹ = 1337756309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338280591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669140298 + 669140299.

It is an arithmetic number, because the mean of its divisors is an integer number (669140299).

Almost surely, 2^1338280597 is an apocalyptic number.

It is an amenable number.

1338280597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338280597 is an equidigital number, since it uses as much as digits as its factorization.

1338280597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1338280597 is about 36582.5176416277. The cubic root of 1338280597 is about 1102.0020281516.

The spelling of 1338280597 in words is "one billion, three hundred thirty-eight million, two hundred eighty thousand, five hundred ninety-seven".