3997558025 has 12 divisors (see below), whose sum is σ = 4958059152. Its totient is φ = 3197345040.

The previous prime is 3997558013. The next prime is 3997558027. The reversal of 3997558025 is 5208557993.

3997558025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3997558025 - 2⁴ = 3997558009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997558027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119834 + ... + 149516.

It is an arithmetic number, because the mean of its divisors is an integer number (413171596).

Almost surely, 2^3997558025 is an apocalyptic number.

It is an amenable number.

3997558025 is a deficient number, since it is larger than the sum of its proper divisors (960501127).

3997558025 is a wasteful number, since it uses less digits than its factorization.

3997558025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35080 (or 35075 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 53.

The square root of 3997558025 is about 63226.2447485220. The cubic root of 3997558025 is about 1587.0779534024.

The spelling of 3997558025 in words is "three billion, nine hundred ninety-seven million, five hundred fifty-eight thousand, twenty-five".