925811520481 has 9 divisors (see below), whose sum is σ = 958865801491. Its totient is φ = 893860043944.

The previous prime is 925811520463. The next prime is 925811520493. The reversal of 925811520481 is 184025118529.

The square root of 925811520481 is 962191.

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

It can be written as a sum of positive squares in only one way, i.e., 485473104081 + 440338416400 = 696759^2 + 663580^2 .

It is not a de Polignac number, because 925811520481 - 2¹⁹ = 925810996193 is a prime.

It is a super-3 number, since 3×925811520481³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925811520401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27886950 + ... + 27920128.

Almost surely, 2^925811520481 is an apocalyptic number.

925811520481 is the 962191-st square number.

925811520481 is the 481096-th centered octagonal number.

It is an amenable number.

925811520481 is a deficient number, since it is larger than the sum of its proper divisors (33054281010).

925811520481 is an frugal number, since it uses more digits than its factorization.

925811520481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66416 (or 33208 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 925811520481 in words is "nine hundred twenty-five billion, eight hundred eleven million, five hundred twenty thousand, four hundred eighty-one".