4242052025 has 6 divisors (see below), whose sum is σ = 5260144542. Its totient is φ = 3393641600.

The previous prime is 4242052021. The next prime is 4242052037. The reversal of 4242052025 is 5202502424.

It can be written as a sum of positive squares in 3 ways, for example, as 395641 + 4241656384 = 629^2 + 65128^2 .

It is not a de Polignac number, because 4242052025 - 2² = 4242052021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4242051985 and 4242052003.

It is not an unprimeable number, because it can be changed into a prime (4242052021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84841016 + ... + 84841065.

It is an arithmetic number, because the mean of its divisors is an integer number (876690757).

Almost surely, 2^4242052025 is an apocalyptic number.

It is an amenable number.

4242052025 is a deficient number, since it is larger than the sum of its proper divisors (1018092517).

4242052025 is a wasteful number, since it uses less digits than its factorization.

4242052025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169682091 (or 169682086 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4242052025 is about 65131.0373401192. The cubic root of 4242052025 is about 1618.7955311850.

Adding to 4242052025 its reverse (5202502424), we get a palindrome (9444554449).

The spelling of 4242052025 in words is "four billion, two hundred forty-two million, fifty-two thousand, twenty-five".