253025250242 has 8 divisors (see below), whose sum is σ = 385759807932. Its totient is φ = 124438647600.

The previous prime is 253025250229. The next prime is 253025250263. The reversal of 253025250242 is 242052520352.

It can be written as a sum of positive squares in 2 ways, for example, as 227575748401 + 25449501841 = 477049^2 + 159529^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 253025250199 and 253025250208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036988609 + ... + 1036988852.

Almost surely, 2^253025250242 is an apocalyptic number.

253025250242 is a deficient number, since it is larger than the sum of its proper divisors (132734557690).

253025250242 is a wasteful number, since it uses less digits than its factorization.

253025250242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073977524.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 253025250242 its reverse (242052520352), we get a palindrome (495077770594).

The spelling of 253025250242 in words is "two hundred fifty-three billion, twenty-five million, two hundred fifty thousand, two hundred forty-two".