205672051527 has 4 divisors (see below), whose sum is σ = 274229402040. Its totient is φ = 137114701016.

The previous prime is 205672051513. The next prime is 205672051567. The reversal of 205672051527 is 725150276502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205672051527 - 2¹⁰ = 205672050503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205672051567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34278675252 + ... + 34278675257.

It is an arithmetic number, because the mean of its divisors is an integer number (68557350510).

Almost surely, 2^205672051527 is an apocalyptic number.

205672051527 is a deficient number, since it is larger than the sum of its proper divisors (68557350513).

205672051527 is an equidigital number, since it uses as much as digits as its factorization.

205672051527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68557350512.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 205672051527 in words is "two hundred five billion, six hundred seventy-two million, fifty-one thousand, five hundred twenty-seven".