205415235 has 24 divisors (see below), whose sum is σ = 357236880. Its totient is φ = 109190592.

The previous prime is 205415201. The next prime is 205415263. The reversal of 205415235 is 532514502.

It is a happy number.

205415235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205415235 - 2⁷ = 205415107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205415199 and 205415208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6381 + ... + 21249.

It is an arithmetic number, because the mean of its divisors is an integer number (14884870).

Almost surely, 2^205415235 is an apocalyptic number.

205415235 is a deficient number, since it is larger than the sum of its proper divisors (151821645).

205415235 is a wasteful number, since it uses less digits than its factorization.

205415235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15187 (or 15184 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 205415235 is about 14332.3143630050. The cubic root of 205415235 is about 590.0346958434.

Adding to 205415235 its reverse (532514502), we get a palindrome (737929737).

The spelling of 205415235 in words is "two hundred five million, four hundred fifteen thousand, two hundred thirty-five".