205425500 has 48 divisors (see below), whose sum is σ = 512750784. Its totient is φ = 70430400.

The previous prime is 205425469. The next prime is 205425541. The reversal of 205425500 is 5524502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25847 + ... + 32846.

It is an arithmetic number, because the mean of its divisors is an integer number (10682308).

Almost surely, 2^205425500 is an apocalyptic number.

205425500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205425500 is an abundant number, since it is smaller than the sum of its proper divisors (307325284).

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

205425500 is a wasteful number, since it uses less digits than its factorization.

205425500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58719 (or 58707 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 205425500 is about 14332.6724653848. The cubic root of 205425500 is about 590.0445240746.

The spelling of 205425500 in words is "two hundred five million, four hundred twenty-five thousand, five hundred".