8231342625 has 144 divisors (see below), whose sum is σ = 17274203856. Its totient is φ = 3755136000.

The previous prime is 8231342617. The next prime is 8231342633. The reversal of 8231342625 is 5262431328.

8231342625 is a `hidden beast` number, since 8 + 23 + 1 + 3 + 4 + 2 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (8231342617) and next prime (8231342633).

It can be written as a sum of positive squares in 8 ways, for example, as 3188070369 + 5043272256 = 56463^2 + 71016^2 .

It is not a de Polignac number, because 8231342625 - 2³ = 8231342617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8231342625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2312347 + ... + 2315903.

It is an arithmetic number, because the mean of its divisors is an integer number (119959749).

Almost surely, 2^8231342625 is an apocalyptic number.

8231342625 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8231342625 is an abundant number, since it is smaller than the sum of its proper divisors (9042861231).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8231342625 is a wasteful number, since it uses less digits than its factorization.

8231342625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3593 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 8231342625 is about 90726.7470209309. The cubic root of 8231342625 is about 2019.0956499015.

The spelling of 8231342625 in words is "eight billion, two hundred thirty-one million, three hundred forty-two thousand, six hundred twenty-five".