1343247247 has 2 divisors, whose sum is σ = 1343247248. Its totient is φ = 1343247246.

The previous prime is 1343247239. The next prime is 1343247271. The reversal of 1343247247 is 7427423431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343247247 - 2³ = 1343247239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343247547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671623623 + 671623624.

It is an arithmetic number, because the mean of its divisors is an integer number (671623624).

Almost surely, 2^1343247247 is an apocalyptic number.

1343247247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343247247 is an equidigital number, since it uses as much as digits as its factorization.

1343247247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 37.

The square root of 1343247247 is about 36650.3376109962. The cubic root of 1343247247 is about 1103.3636014754.

The spelling of 1343247247 in words is "one billion, three hundred forty-three million, two hundred forty-seven thousand, two hundred forty-seven".