4042251025 has 12 divisors (see below), whose sum is σ = 5013901312. Its totient is φ = 3232826640.

The previous prime is 4042251019. The next prime is 4042251047. The reversal of 4042251025 is 5201522404.

It is not a de Polignac number, because 4042251025 - 2¹³ = 4042242833 is a prime.

It is a super-2 number, since 2×4042251025² = 32679586698227101250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67012 + ... + 112138.

Almost surely, 2^4042251025 is an apocalyptic number.

It is an amenable number.

4042251025 is a deficient number, since it is larger than the sum of its proper divisors (971650287).

4042251025 is a wasteful number, since it uses less digits than its factorization.

4042251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48720 (or 48715 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4042251025 is about 63578.6994598034. The cubic root of 4042251025 is about 1592.9705979654.

Adding to 4042251025 its reverse (5201522404), we get a palindrome (9243773429).

The spelling of 4042251025 in words is "four billion, forty-two million, two hundred fifty-one thousand, twenty-five".