4003725625 has 15 divisors (see below), whose sum is σ = 5005033033. Its totient is φ = 3201715000.

The previous prime is 4003725617. The next prime is 4003725631. The reversal of 4003725625 is 5265273004.

The square root of 4003725625 is 63275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 313892089 + 3689833536 = 17717^2 + 60744^2 .

It is not a de Polignac number, because 4003725625 - 2³ = 4003725617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1580610 + ... + 1583140.

Almost surely, 2^4003725625 is an apocalyptic number.

4003725625 is the 63275-th square number.

4003725625 is the 31638-th centered octagonal number.

It is an amenable number.

4003725625 is a deficient number, since it is larger than the sum of its proper divisors (1001307408).

4003725625 is an frugal number, since it uses more digits than its factorization.

4003725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082 (or 2536 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The cubic root of 4003725625 is about 1587.8937374568.

Adding to 4003725625 its reverse (5265273004), we get a palindrome (9268998629).

The spelling of 4003725625 in words is "four billion, three million, seven hundred twenty-five thousand, six hundred twenty-five".