1355330047 has 2 divisors, whose sum is σ = 1355330048. Its totient is φ = 1355330046.

The previous prime is 1355329973. The next prime is 1355330111. The reversal of 1355330047 is 7400335531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355330047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355360047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677665023 + 677665024.

It is an arithmetic number, because the mean of its divisors is an integer number (677665024).

Almost surely, 2^1355330047 is an apocalyptic number.

1355330047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355330047 is an equidigital number, since it uses as much as digits as its factorization.

1355330047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 1355330047 is about 36814.8074421149. The cubic root of 1355330047 is about 1106.6620625786.

Adding to 1355330047 its reverse (7400335531), we get a palindrome (8755665578).

The spelling of 1355330047 in words is "one billion, three hundred fifty-five million, three hundred thirty thousand, forty-seven".