1338352247 has 2 divisors, whose sum is σ = 1338352248. Its totient is φ = 1338352246.

The previous prime is 1338352231. The next prime is 1338352273. The reversal of 1338352247 is 7422538331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338352247 - 2⁴ = 1338352231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1338352247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338352207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669176123 + 669176124.

It is an arithmetic number, because the mean of its divisors is an integer number (669176124).

Almost surely, 2^1338352247 is an apocalyptic number.

1338352247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338352247 is an equidigital number, since it uses as much as digits as its factorization.

1338352247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 1338352247 is about 36583.4969214262. The cubic root of 1338352247 is about 1102.0216944400.

The spelling of 1338352247 in words is "one billion, three hundred thirty-eight million, three hundred fifty-two thousand, two hundred forty-seven".