2081957524201 has 3 divisors (see below), whose sum is σ = 2081958967101. Its totient is φ = 2081956081302.

The previous prime is 2081957524193. The next prime is 2081957524261. The reversal of 2081957524201 is 1024257591802.

The square root of 2081957524201 is 1442899.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2081957524201 - 2³ = 2081957524193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2081957524261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 721450 + ... + 2164348.

It is an arithmetic number, because the mean of its divisors is an integer number (693986322367).

Almost surely, 2^{2081957524201} is an apocalyptic number.

2081957524201 is the 1442899-th square number.

2081957524201 is the 721450-th centered octagonal number.

It is an amenable number.

2081957524201 is a deficient number, since it is larger than the sum of its proper divisors (1442900).

2081957524201 is an frugal number, since it uses more digits than its factorization.

2081957524201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885798 (or 1442899 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 2081957524201 in words is "two trillion, eighty-one billion, nine hundred fifty-seven million, five hundred twenty-four thousand, two hundred one".