206425242 has 24 divisors (see below), whose sum is σ = 458164980. Its totient is φ = 67129920.

The previous prime is 206425229. The next prime is 206425259. The reversal of 206425242 is 242524602.

It is a happy number.

206425242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205893801 + 531441 = 14349^2 + 729^2 .

It is a super-2 number, since 2×206425242² = 85222761069517128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139117 + ... + 140592.

Almost surely, 2^206425242 is an apocalyptic number.

206425242 is an abundant number, since it is smaller than the sum of its proper divisors (251739738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206425242 is a wasteful number, since it uses less digits than its factorization.

206425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279758 (or 279755 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 206425242 is about 14367.5064642408. The cubic root of 206425242 is about 591.0001631923. Note that the first 3 decimals are identical.

Adding to 206425242 its reverse (242524602), we get a palindrome (448949844).

The spelling of 206425242 in words is "two hundred six million, four hundred twenty-five thousand, two hundred forty-two".