1224152533 has 2 divisors, whose sum is σ = 1224152534. Its totient is φ = 1224152532.

The previous prime is 1224152519. The next prime is 1224152551. The reversal of 1224152533 is 3352514221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140210289 + 83942244 = 33767^2 + 9162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224152533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224152563) 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, 612076266 + 612076267.

It is an arithmetic number, because the mean of its divisors is an integer number (612076267).

Almost surely, 2^1224152533 is an apocalyptic number.

It is an amenable number.

1224152533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224152533 is an equidigital number, since it uses as much as digits as its factorization.

1224152533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 1224152533 is about 34987.8912339684. The cubic root of 1224152533 is about 1069.7406810367.

Adding to 1224152533 its reverse (3352514221), we get a palindrome (4576666754).

The spelling of 1224152533 in words is "one billion, two hundred twenty-four million, one hundred fifty-two thousand, five hundred thirty-three".