210425242 has 8 divisors (see below), whose sum is σ = 316070676. Its totient is φ = 105068352.

The previous prime is 210425239. The next prime is 210425261. The reversal of 210425242 is 242524012.

210425242 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 207043321 + 3381921 = 14389^2 + 1839^2 .

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, 70303 + ... + 73234.

Almost surely, 2^210425242 is an apocalyptic number.

210425242 is a deficient number, since it is larger than the sum of its proper divisors (105645434).

210425242 is a wasteful number, since it uses less digits than its factorization.

210425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144272.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 210425242 is about 14506.0415689464. The cubic root of 210425242 is about 594.7931319548.

Adding to 210425242 its reverse (242524012), we get a palindrome (452949254).

The spelling of 210425242 in words is "two hundred ten million, four hundred twenty-five thousand, two hundred forty-two".