4042525225 has 36 divisors (see below), whose sum is σ = 5198827968. Its totient is φ = 3117604000.

The previous prime is 4042525219. The next prime is 4042525231. The reversal of 4042525225 is 5225252404.

It is an interprime number because it is at equal distance from previous prime (4042525219) and next prime (4042525231).

It is a de Polignac number, because none of the positive numbers 2^k-4042525225 is a prime.

It is a super-2 number, since 2×4042525225² = 32684020389522601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3920460 + ... + 3921490.

It is an arithmetic number, because the mean of its divisors is an integer number (144411888).

Almost surely, 2^4042525225 is an apocalyptic number.

It is an amenable number.

4042525225 is a deficient number, since it is larger than the sum of its proper divisors (1156302743).

4042525225 is a wasteful number, since it uses less digits than its factorization.

4042525225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 4042525225 is about 63580.8558058163. The cubic root of 4042525225 is about 1593.0066160701.

Adding to 4042525225 its reverse (5225252404), we get a palindrome (9267777629).

The spelling of 4042525225 in words is "four billion, forty-two million, five hundred twenty-five thousand, two hundred twenty-five".