33130535 has 16 divisors (see below), whose sum is σ = 42996096. Its totient is φ = 24411648.

The previous prime is 33130523. The next prime is 33130541. The reversal of 33130535 is 53503133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33130535 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33130535.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 152 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (2687256).

Almost surely, 2^33130535 is an apocalyptic number.

33130535 is a deficient number, since it is larger than the sum of its proper divisors (9865561).

33130535 is a wasteful number, since it uses less digits than its factorization.

33130535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

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

The square root of 33130535 is about 5755.9130465983. The cubic root of 33130535 is about 321.1758013218.

Adding to 33130535 its reverse (53503133), we get a palindrome (86633668).

The spelling of 33130535 in words is "thirty-three million, one hundred thirty thousand, five hundred thirty-five".