1345033553 has 2 divisors, whose sum is σ = 1345033554. Its totient is φ = 1345033552.

The previous prime is 1345033483. The next prime is 1345033559. The reversal of 1345033553 is 3553305431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842915089 + 502118464 = 29033^2 + 22408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345033553 - 2⁸ = 1345033297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345033559) 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, 672516776 + 672516777.

It is an arithmetic number, because the mean of its divisors is an integer number (672516777).

Almost surely, 2^1345033553 is an apocalyptic number.

It is an amenable number.

1345033553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345033553 is an equidigital number, since it uses as much as digits as its factorization.

1345033553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 32.

The square root of 1345033553 is about 36674.6990853367. The cubic root of 1345033553 is about 1103.8524844142.

Adding to 1345033553 its reverse (3553305431), we get a palindrome (4898338984).

The spelling of 1345033553 in words is "one billion, three hundred forty-five million, thirty-three thousand, five hundred fifty-three".