205535434 has 24 divisors (see below), whose sum is σ = 337338540. Its totient is φ = 93869568.

The previous prime is 205535401. The next prime is 205535461. The reversal of 205535434 is 434535502.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15233409 + 190302025 = 3903^2 + 13795^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205535396 and 205535405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29652 + ... + 35920.

Almost surely, 2^205535434 is an apocalyptic number.

205535434 is a deficient number, since it is larger than the sum of its proper divisors (131803106).

205535434 is a wasteful number, since it uses less digits than its factorization.

205535434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 205535434 is about 14336.5070362345. The cubic root of 205535434 is about 590.1497599339.

The spelling of 205535434 in words is "two hundred five million, five hundred thirty-five thousand, four hundred thirty-four".