3980979025 has 9 divisors (see below), whose sum is σ = 4936805211. Its totient is φ = 3184530840.

The previous prime is 3980979019. The next prime is 3980979071. The reversal of 3980979025 is 5209790893.

The square root of 3980979025 is 63095.

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

3980979025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1433152449 + 2547826576 = 37857^2 + 50476^2 .

It is not a de Polignac number, because 3980979025 - 2¹⁵ = 3980946257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 309166 + ... + 321784.

Almost surely, 2^3980979025 is an apocalyptic number.

3980979025 is the 63095-th square number.

3980979025 is the 31548-th centered octagonal number.

It is an amenable number.

3980979025 is a deficient number, since it is larger than the sum of its proper divisors (955826186).

3980979025 is an frugal number, since it uses more digits than its factorization.

3980979025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25248 (or 12624 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The cubic root of 3980979025 is about 1584.8808934372.

The spelling of 3980979025 in words is "three billion, nine hundred eighty million, nine hundred seventy-nine thousand, twenty-five".