205253497 has 2 divisors, whose sum is σ = 205253498. Its totient is φ = 205253496.

The previous prime is 205253483. The next prime is 205253519. The reversal of 205253497 is 794352502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160376896 + 44876601 = 12664^2 + 6699^2 .

It is a cyclic number.

It is not a de Polignac number, because 205253497 - 2⁷ = 205253369 is a prime.

It is not a weakly prime, because it can be changed into another prime (205253407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102626748 + 102626749.

It is an arithmetic number, because the mean of its divisors is an integer number (102626749).

Almost surely, 2^205253497 is an apocalyptic number.

It is an amenable number.

205253497 is a deficient number, since it is larger than the sum of its proper divisors (1).

205253497 is an equidigital number, since it uses as much as digits as its factorization.

205253497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 205253497 is about 14326.6708275161. The cubic root of 205253497 is about 589.8797964447.

The spelling of 205253497 in words is "two hundred five million, two hundred fifty-three thousand, four hundred ninety-seven".