206551234 has 4 divisors (see below), whose sum is σ = 309826854. Its totient is φ = 103275616.

The previous prime is 206551211. The next prime is 206551249. The reversal of 206551234 is 432155602.

206551234 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 119968209 + 86583025 = 10953^2 + 9305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51637807 + ... + 51637810.

Almost surely, 2^206551234 is an apocalyptic number.

206551234 is a deficient number, since it is larger than the sum of its proper divisors (103275620).

206551234 is a wasteful number, since it uses less digits than its factorization.

206551234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103275619.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 206551234 is about 14371.8904114942. The cubic root of 206551234 is about 591.1203780585.

The spelling of 206551234 in words is "two hundred six million, five hundred fifty-one thousand, two hundred thirty-four".