33130523 has 2 divisors, whose sum is σ = 33130524. Its totient is φ = 33130522.

The previous prime is 33130477. The next prime is 33130541. The reversal of 33130523 is 32503133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33130523 - 2¹⁶ = 33064987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33130495 and 33130504.

It is not a weakly prime, because it can be changed into another prime (33130543) 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, 16565261 + 16565262.

It is an arithmetic number, because the mean of its divisors is an integer number (16565262).

Almost surely, 2^33130523 is an apocalyptic number.

33130523 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130523 is an equidigital number, since it uses as much as digits as its factorization.

33130523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 33130523 is about 5755.9120041919. The cubic root of 33130523 is about 321.1757625447.

Adding to 33130523 its reverse (32503133), we get a palindrome (65633656).

The spelling of 33130523 in words is "thirty-three million, one hundred thirty thousand, five hundred twenty-three".