53203133 has 2 divisors, whose sum is σ = 53203134. Its totient is φ = 53203132.

The previous prime is 53203121. The next prime is 53203153. The reversal of 53203133 is 33130235.

It is an a-pointer prime, because the next prime (53203153) can be obtained adding 53203133 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52736644 + 466489 = 7262^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 53203133 - 2¹⁸ = 52940989 is a prime.

It is a super-2 number, since 2×53203133² = 5661146722031378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53203153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26601566 + 26601567.

It is an arithmetic number, because the mean of its divisors is an integer number (26601567).

Almost surely, 2^53203133 is an apocalyptic number.

It is an amenable number.

53203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53203133 is an equidigital number, since it uses as much as digits as its factorization.

53203133 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 53203133 is about 7294.0477788399. The cubic root of 53203133 is about 376.1078539434.

Adding to 53203133 its reverse (33130235), we get a palindrome (86333368).

The spelling of 53203133 in words is "fifty-three million, two hundred three thousand, one hundred thirty-three".