8130431225 has 24 divisors (see below), whose sum is σ = 11893667328. Its totient is φ = 5395305600.

The previous prime is 8130431209. The next prime is 8130431233. The reversal of 8130431225 is 5221340318.

It is a happy number.

It is not a de Polignac number, because 8130431225 - 2⁴ = 8130431209 is a prime.

It is a super-2 number, since 2×8130431225² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 743924 + ... + 754773.

It is an arithmetic number, because the mean of its divisors is an integer number (495569472).

Almost surely, 2^8130431225 is an apocalyptic number.

It is an amenable number.

8130431225 is a deficient number, since it is larger than the sum of its proper divisors (3763236103).

8130431225 is a wasteful number, since it uses less digits than its factorization.

8130431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498745 (or 1498740 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 8130431225 is about 90168.9038693495. The cubic root of 8130431225 is about 2010.8107275458.

The spelling of 8130431225 in words is "eight billion, one hundred thirty million, four hundred thirty-one thousand, two hundred twenty-five".