841283356225 has 81 divisors (see below), whose sum is σ = 1149070070043. Its totient is φ = 610733111040.

The previous prime is 841283356183. The next prime is 841283356229. The reversal of 841283356225 is 522653382148.

The square root of 841283356225 is 917215.

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

It can be written as a sum of positive squares in 13 ways, for example, as 747323941441 + 93959414784 = 864479^2 + 306528^2 .

It is not a de Polignac number, because 841283356225 - 2¹⁹ = 841282831937 is a prime.

It is a super-2 number, since 2×841283356225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (841283356229) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6140754357 + ... + 6140754493.

Almost surely, 2^841283356225 is an apocalyptic number.

841283356225 is the 917215-th square number.

841283356225 is the 458608-th centered octagonal number.

It is an amenable number.

841283356225 is a deficient number, since it is larger than the sum of its proper divisors (307786713818).

841283356225 is a wasteful number, since it uses less digits than its factorization.

841283356225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 258 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

Multiplying 841283356225 by its sum of digits (49), we get a square (41222884455025 = 6420505²).

The spelling of 841283356225 in words is "eight hundred forty-one billion, two hundred eighty-three million, three hundred fifty-six thousand, two hundred twenty-five".