205512963 has 8 divisors (see below), whose sum is σ = 275832576. Its totient is φ = 136101000.

The previous prime is 205512917. The next prime is 205512973. The reversal of 205512963 is 369215502.

205512963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205512963 - 2⁶ = 205512899 is a prime.

It is a super-2 number, since 2×205512963² = 84471155922078738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205512973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226383 + ... + 227288.

It is an arithmetic number, because the mean of its divisors is an integer number (34479072).

Almost surely, 2^205512963 is an apocalyptic number.

205512963 is a deficient number, since it is larger than the sum of its proper divisors (70319613).

205512963 is a wasteful number, since it uses less digits than its factorization.

205512963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453825.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 205512963 is about 14335.7233162474. The cubic root of 205512963 is about 590.1282523066.

The spelling of 205512963 in words is "two hundred five million, five hundred twelve thousand, nine hundred sixty-three".