206553652 has 6 divisors (see below), whose sum is σ = 361468898. Its totient is φ = 103276824.

The previous prime is 206553619. The next prime is 206553653. The reversal of 206553652 is 256355602.

It can be written as a sum of positive squares in only one way, i.e., 158860816 + 47692836 = 12604^2 + 6906^2 .

It is a super-2 number, since 2×206553652² = 85328822309074208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206553653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25819203 + ... + 25819210.

Almost surely, 2^206553652 is an apocalyptic number.

It is an amenable number.

206553652 is a deficient number, since it is larger than the sum of its proper divisors (154915246).

206553652 is a wasteful number, since it uses less digits than its factorization.

206553652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51638417 (or 51638415 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 206553652 is about 14371.9745337932. The cubic root of 206553652 is about 591.1226847073.

The spelling of 206553652 in words is "two hundred six million, five hundred fifty-three thousand, six hundred fifty-two".