3934425625 has 45 divisors (see below), whose sum is σ = 5351465889. Its totient is φ = 2890368000.

The previous prime is 3934425623. The next prime is 3934425629. The reversal of 3934425625 is 5265244393.

The square root of 3934425625 is 62725.

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

It can be written as a sum of positive squares in 22 ways, for example, as 1349313289 + 2585112336 = 36733^2 + 50844^2 .

It is not a de Polignac number, because 3934425625 - 2¹ = 3934425623 is a prime.

It is a Duffinian number.

Its product of digits (777600) is a multiple of the sum of its prime factors (432).

It is not an unprimeable number, because it can be changed into a prime (3934425623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 20385529 + ... + 20385721.

Almost surely, 2^3934425625 is an apocalyptic number.

3934425625 is the 62725-th square number.

3934425625 is the 31363-rd centered octagonal number.

It is an amenable number.

3934425625 is a deficient number, since it is larger than the sum of its proper divisors (1417040264).

3934425625 is an frugal number, since it uses more digits than its factorization.

3934425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 211 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The cubic root of 3934425625 is about 1578.6788112814.

The spelling of 3934425625 in words is "three billion, nine hundred thirty-four million, four hundred twenty-five thousand, six hundred twenty-five".