205451054 has 16 divisors (see below), whose sum is σ = 313748160. Its totient is φ = 100880640.

The previous prime is 205451027. The next prime is 205451087. The reversal of 205451054 is 450154502.

It is a congruent number.

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, 32267 + ... + 38105.

It is an arithmetic number, because the mean of its divisors is an integer number (19609260).

Almost surely, 2^205451054 is an apocalyptic number.

205451054 is a deficient number, since it is larger than the sum of its proper divisors (108297106).

205451054 is a wasteful number, since it uses less digits than its factorization.

205451054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 205451054 is about 14333.5638973704. The cubic root of 205451054 is about 590.0689893472.

The spelling of 205451054 in words is "two hundred five million, four hundred fifty-one thousand, fifty-four".