205825153 has 4 divisors (see below), whose sum is σ = 207088048. Its totient is φ = 204562260.

The previous prime is 205825141. The next prime is 205825159. The reversal of 205825153 is 351528502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205825153 - 2¹⁷ = 205694081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205825159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631203 + ... + 631528.

It is an arithmetic number, because the mean of its divisors is an integer number (51772012).

Almost surely, 2^205825153 is an apocalyptic number.

It is an amenable number.

205825153 is a deficient number, since it is larger than the sum of its proper divisors (1262895).

205825153 is a wasteful number, since it uses less digits than its factorization.

205825153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262894.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 205825153 is about 14346.6077175059. The cubic root of 205825153 is about 590.4269178627.

The spelling of 205825153 in words is "two hundred five million, eight hundred twenty-five thousand, one hundred fifty-three".