205525351 has 2 divisors, whose sum is σ = 205525352. Its totient is φ = 205525350.

The previous prime is 205525301. The next prime is 205525357. The reversal of 205525351 is 153525502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205525351 - 2¹⁷ = 205394279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205525357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102762675 + 102762676.

It is an arithmetic number, because the mean of its divisors is an integer number (102762676).

Almost surely, 2^205525351 is an apocalyptic number.

205525351 is a deficient number, since it is larger than the sum of its proper divisors (1).

205525351 is an equidigital number, since it uses as much as digits as its factorization.

205525351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 205525351 is about 14336.1553772272. The cubic root of 205525351 is about 590.1401094044.

The spelling of 205525351 in words is "two hundred five million, five hundred twenty-five thousand, three hundred fifty-one".