4481633025 has 27 divisors (see below), whose sum is σ = 8028901699. Its totient is φ = 2389668720.

The previous prime is 4481632993. The next prime is 4481633063. The reversal of 4481633025 is 5203361844.

The square root of 4481633025 is 66945.

It is a perfect power (a square), and thus also a powerful number.

4481633025 is a `hidden beast` number, since 448 + 163 + 30 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1613387889 + 2868245136 = 40167^2 + 53556^2 .

It is not a de Polignac number, because 4481633025 - 2⁵ = 4481632993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1001944 + ... + 1006406.

Almost surely, 2^4481633025 is an apocalyptic number.

4481633025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4481633025 is the 66945-th square number.

4481633025 is the 33473-rd centered octagonal number.

It is an amenable number.

4481633025 is a deficient number, since it is larger than the sum of its proper divisors (3547268674).

4481633025 is an frugal number, since it uses more digits than its factorization.

4481633025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The cubic root of 4481633025 is about 1648.7143980289.

Multiplying 4481633025 by its sum of digits (36), we get a square (161338788900 = 401670²).

Adding to 4481633025 its reverse (5203361844), we get a palindrome (9684994869).

It can be divided in two parts, 44816 and 33025, that added together give a square (77841 = 279²).

The spelling of 4481633025 in words is "four billion, four hundred eighty-one million, six hundred thirty-three thousand, twenty-five".