8225145531 has 12 divisors (see below), whose sum is σ = 11960504400. Its totient is φ = 5446627920.

The previous prime is 8225145497. The next prime is 8225145563. The reversal of 8225145531 is 1355415228.

8225145531 is a `hidden beast` number, since 82 + 2 + 5 + 1 + 45 + 531 = 666.

It is not a de Polignac number, because 8225145531 - 2⁷ = 8225145403 is a prime.

It is a super-2 number, since 2×8225145531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8225145431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3065455 + ... + 3068136.

It is an arithmetic number, because the mean of its divisors is an integer number (996708700).

Almost surely, 2^8225145531 is an apocalyptic number.

8225145531 is a deficient number, since it is larger than the sum of its proper divisors (3735358869).

8225145531 is a wasteful number, since it uses less digits than its factorization.

8225145531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133746 (or 6133743 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 8225145531 is about 90692.5880709113. The cubic root of 8225145531 is about 2018.5888201936.

The spelling of 8225145531 in words is "eight billion, two hundred twenty-five million, one hundred forty-five thousand, five hundred thirty-one".