1223254553 has 2 divisors, whose sum is σ = 1223254554. Its totient is φ = 1223254552.

The previous prime is 1223254547. The next prime is 1223254579. The reversal of 1223254553 is 3554523221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146025609 + 77228944 = 33853^2 + 8788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223254553 - 2⁸ = 1223254297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223251553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611627276 + 611627277.

It is an arithmetic number, because the mean of its divisors is an integer number (611627277).

Almost surely, 2^1223254553 is an apocalyptic number.

It is an amenable number.

1223254553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223254553 is an equidigital number, since it uses as much as digits as its factorization.

1223254553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 32.

The square root of 1223254553 is about 34975.0561543509. The cubic root of 1223254553 is about 1069.4790467791.

Adding to 1223254553 its reverse (3554523221), we get a palindrome (4777777774).

The spelling of 1223254553 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, five hundred fifty-three".