205528373 has 2 divisors, whose sum is σ = 205528374. Its totient is φ = 205528372.

The previous prime is 205528313. The next prime is 205528387. The reversal of 205528373 is 373825502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179077924 + 26450449 = 13382^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 205528373 - 2¹⁶ = 205462837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205528313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102764186 + 102764187.

It is an arithmetic number, because the mean of its divisors is an integer number (102764187).

Almost surely, 2^205528373 is an apocalyptic number.

It is an amenable number.

205528373 is a deficient number, since it is larger than the sum of its proper divisors (1).

205528373 is an equidigital number, since it uses as much as digits as its factorization.

205528373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 205528373 is about 14336.2607746930. The cubic root of 205528373 is about 590.1430018208.

The spelling of 205528373 in words is "two hundred five million, five hundred twenty-eight thousand, three hundred seventy-three".