206501530 has 8 divisors (see below), whose sum is σ = 371702772. Its totient is φ = 82600608.

The previous prime is 206501527. The next prime is 206501549. The reversal of 206501530 is 35105602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188430529 + 18071001 = 13727^2 + 4251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10325067 + ... + 10325086.

Almost surely, 2^206501530 is an apocalyptic number.

206501530 is a deficient number, since it is larger than the sum of its proper divisors (165201242).

206501530 is a wasteful number, since it uses less digits than its factorization.

206501530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20650160.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 206501530 is about 14370.1610986099. The cubic root of 206501530 is about 591.0729589852.

The spelling of 206501530 in words is "two hundred six million, five hundred one thousand, five hundred thirty".