205595153 has 2 divisors, whose sum is σ = 205595154. Its totient is φ = 205595152.

The previous prime is 205595147. The next prime is 205595167. The reversal of 205595153 is 351595502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148547344 + 57047809 = 12188^2 + 7553^2 .

It is a cyclic number.

It is not a de Polignac number, because 205595153 - 2²⁰ = 204546577 is a prime.

It is not a weakly prime, because it can be changed into another prime (205595653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102797576 + 102797577.

It is an arithmetic number, because the mean of its divisors is an integer number (102797577).

Almost surely, 2^205595153 is an apocalyptic number.

It is an amenable number.

205595153 is a deficient number, since it is larger than the sum of its proper divisors (1).

205595153 is an equidigital number, since it uses as much as digits as its factorization.

205595153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 205595153 is about 14338.5896447315. The cubic root of 205595153 is about 590.2069110539.

The spelling of 205595153 in words is "two hundred five million, five hundred ninety-five thousand, one hundred fifty-three".