205253351 has 2 divisors, whose sum is σ = 205253352. Its totient is φ = 205253350.

The previous prime is 205253341. The next prime is 205253369. The reversal of 205253351 is 153352502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205253351 - 2¹⁸ = 204991207 is a prime.

It is a Sophie Germain prime.

It is equal to p_11353661 and since 205253351 and 11353661 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205253351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205253341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102626675 + 102626676.

It is an arithmetic number, because the mean of its divisors is an integer number (102626676).

Almost surely, 2^205253351 is an apocalyptic number.

205253351 is a deficient number, since it is larger than the sum of its proper divisors (1).

205253351 is an equidigital number, since it uses as much as digits as its factorization.

205253351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 205253351 is about 14326.6657321234. The cubic root of 205253351 is about 589.8796565811.

The spelling of 205253351 in words is "two hundred five million, two hundred fifty-three thousand, three hundred fifty-one".