53033261 has 2 divisors, whose sum is σ = 53033262. Its totient is φ = 53033260.

The previous prime is 53033207. The next prime is 53033269. The reversal of 53033261 is 16233035.

53033261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 3062500 = 7069^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53033261 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53033269) 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, 26516630 + 26516631.

It is an arithmetic number, because the mean of its divisors is an integer number (26516631).

Almost surely, 2^53033261 is an apocalyptic number.

It is an amenable number.

53033261 is a deficient number, since it is larger than the sum of its proper divisors (1).

53033261 is an equidigital number, since it uses as much as digits as its factorization.

53033261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 53033261 is about 7282.3939058527. The cubic root of 53033261 is about 375.7071362359.

Adding to 53033261 its reverse (16233035), we get a palindrome (69266296).

The spelling of 53033261 in words is "fifty-three million, thirty-three thousand, two hundred sixty-one".