4401242525 has 12 divisors (see below), whose sum is σ = 5459502132. Its totient is φ = 3519728640.

The previous prime is 4401242519. The next prime is 4401242543. The reversal of 4401242525 is 5252421044.

It can be written as a sum of positive squares in 6 ways, for example, as 7806436 + 4393436089 = 2794^2 + 66283^2 .

It is not a de Polignac number, because 4401242525 - 2²⁸ = 4132807069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42749 + ... + 103101.

It is an arithmetic number, because the mean of its divisors is an integer number (454958511).

Almost surely, 2^4401242525 is an apocalyptic number.

It is an amenable number.

4401242525 is a deficient number, since it is larger than the sum of its proper divisors (1058259607).

4401242525 is a wasteful number, since it uses less digits than its factorization.

4401242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63280 (or 63275 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4401242525 is about 66341.8610305741. The cubic root of 4401242525 is about 1638.7967732239.

Adding to 4401242525 its reverse (5252421044), we get a palindrome (9653663569).

The spelling of 4401242525 in words is "four billion, four hundred one million, two hundred forty-two thousand, five hundred twenty-five".