205070953 has 2 divisors, whose sum is σ = 205070954. Its totient is φ = 205070952.

The previous prime is 205070947. The next prime is 205070969. The reversal of 205070953 is 359070502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202407529 + 2663424 = 14227^2 + 1632^2 .

It is a cyclic number.

It is not a de Polignac number, because 205070953 - 2²¹ = 202973801 is a prime.

It is not a weakly prime, because it can be changed into another prime (205071953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102535476 + 102535477.

It is an arithmetic number, because the mean of its divisors is an integer number (102535477).

Almost surely, 2^205070953 is an apocalyptic number.

It is an amenable number.

205070953 is a deficient number, since it is larger than the sum of its proper divisors (1).

205070953 is an equidigital number, since it uses as much as digits as its factorization.

205070953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 205070953 is about 14320.2986351542. The cubic root of 205070953 is about 589.7048729855.

The spelling of 205070953 in words is "two hundred five million, seventy thousand, nine hundred fifty-three".