205453000 has 32 divisors (see below), whose sum is σ = 480762360. Its totient is φ = 82180800.

The previous prime is 205452983. The next prime is 205453013. The reversal of 205453000 is 354502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7150276 + 198302724 = 2674^2 + 14082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101727 + ... + 103726.

Almost surely, 2^205453000 is an apocalyptic number.

205453000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205453000 is an abundant number, since it is smaller than the sum of its proper divisors (275309360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205453000 is a wasteful number, since it uses less digits than its factorization.

205453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205474 (or 205460 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 205453000 is about 14333.6317798386. The cubic root of 205453000 is about 590.0708523548.

The spelling of 205453000 in words is "two hundred five million, four hundred fifty-three thousand".