53205293 has 2 divisors, whose sum is σ = 53205294. Its totient is φ = 53205292.

The previous prime is 53205283. The next prime is 53205323. The reversal of 53205293 is 39250235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 2553604 = 7117^2 + 1598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53205293 is a prime.

It is a Sophie Germain 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 (53205283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602646 + 26602647.

It is an arithmetic number, because the mean of its divisors is an integer number (26602647).

Almost surely, 2^53205293 is an apocalyptic number.

It is an amenable number.

53205293 is a deficient number, since it is larger than the sum of its proper divisors (1).

53205293 is an equidigital number, since it uses as much as digits as its factorization.

53205293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 53205293 is about 7294.1958432716. The cubic root of 53205293 is about 376.1129437563.

It can be divided in two parts, 5320 and 5293, that multiplied together give a triangular number (28158760 = T₇₅₀₄).

The spelling of 53205293 in words is "fifty-three million, two hundred five thousand, two hundred ninety-three".