3201201997 has 6 divisors (see below), whose sum is σ = 3723847278. Its totient is φ = 2743887384.

The previous prime is 3201201989. The next prime is 3201202021. The reversal of 3201201997 is 7991021023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2828750596 + 372451401 = 53186^2 + 19299^2 .

It is not a de Polignac number, because 3201201997 - 2³ = 3201201989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201201937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32665278 + ... + 32665375.

It is an arithmetic number, because the mean of its divisors is an integer number (620641213).

Almost surely, 2^3201201997 is an apocalyptic number.

It is an amenable number.

3201201997 is a deficient number, since it is larger than the sum of its proper divisors (522645281).

3201201997 is an equidigital number, since it uses as much as digits as its factorization.

3201201997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65330667 (or 65330660 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 3201201997 is about 56579.1657503007. The cubic root of 3201201997 is about 1473.7970844761.

The spelling of 3201201997 in words is "three billion, two hundred one million, two hundred one thousand, nine hundred ninety-seven".