3812025858481 has 3 divisors (see below), whose sum is σ = 3812027810923. Its totient is φ = 3812023906040.

The previous prime is 3812025858401. The next prime is 3812025858523. The reversal of 3812025858481 is 1848585202183.

The square root of 3812025858481 is 1952441.

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 can be written as a sum of positive squares in only one way, i.e., 545764860081 + 3266260998400 = 738759^2 + 1807280^2 .

It is not a de Polignac number, because 3812025858481 - 2¹¹ = 3812025856433 is a prime.

It is a super-2 number, since 2×3812025858481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3812025858401) 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, 976221 + ... + 2928661.

Almost surely, 2^{3812025858481} is an apocalyptic number.

3812025858481 is the 1952441-st square number.

3812025858481 is the 976221-st centered octagonal number.

It is an amenable number.

3812025858481 is a deficient number, since it is larger than the sum of its proper divisors (1952442).

3812025858481 is an frugal number, since it uses more digits than its factorization.

3812025858481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904882 (or 1952441 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 55.

The spelling of 3812025858481 in words is "three trillion, eight hundred twelve billion, twenty-five million, eight hundred fifty-eight thousand, four hundred eighty-one".