1307247533 has 2 divisors, whose sum is σ = 1307247534. Its totient is φ = 1307247532.

The previous prime is 1307247511. The next prime is 1307247541. The reversal of 1307247533 is 3357427031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046004964 + 261242569 = 32342^2 + 16163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307247533 - 2¹⁰ = 1307246509 is a prime.

It is a super-2 number, since 2×1307247533² = 3417792225069172178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1307247493 and 1307247502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307247583) 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, 653623766 + 653623767.

It is an arithmetic number, because the mean of its divisors is an integer number (653623767).

Almost surely, 2^1307247533 is an apocalyptic number.

It is an amenable number.

1307247533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307247533 is an equidigital number, since it uses as much as digits as its factorization.

1307247533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 1307247533 is about 36155.8782634304. The cubic root of 1307247533 is about 1093.4173066472.

The spelling of 1307247533 in words is "one billion, three hundred seven million, two hundred forty-seven thousand, five hundred thirty-three".