33130553 has 2 divisors, whose sum is σ = 33130554. Its totient is φ = 33130552.

The previous prime is 33130543. The next prime is 33130561. The reversal of 33130553 is 35503133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 10738729 = 4732^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130553 - 2¹⁰ = 33129529 is a prime.

It is not a weakly prime, because it can be changed into another prime (33130523) 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, 16565276 + 16565277.

It is an arithmetic number, because the mean of its divisors is an integer number (16565277).

Almost surely, 2^33130553 is an apocalyptic number.

It is an amenable number.

33130553 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130553 is an equidigital number, since it uses as much as digits as its factorization.

33130553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 33130553 is about 5755.9146102075. The cubic root of 33130553 is about 321.1758594873.

Adding to 33130553 its reverse (35503133), we get a palindrome (68633686).

The spelling of 33130553 in words is "thirty-three million, one hundred thirty thousand, five hundred fifty-three".