210203525242 has 8 divisors (see below), whose sum is σ = 315307792800. Its totient is φ = 105100927644.

The previous prime is 210203525143. The next prime is 210203525269. The reversal of 210203525242 is 242525302012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210203525242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31392 + ... + 649147.

It is an arithmetic number, because the mean of its divisors is an integer number (39413474100).

Almost surely, 2^210203525242 is an apocalyptic number.

210203525242 is a deficient number, since it is larger than the sum of its proper divisors (105104267558).

210203525242 is a wasteful number, since it uses less digits than its factorization.

210203525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834980.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 210203525242 its reverse (242525302012), we get a palindrome (452728827254).

The spelling of 210203525242 in words is "two hundred ten billion, two hundred three million, five hundred twenty-five thousand, two hundred forty-two".