8230125091 has 4 divisors (see below), whose sum is σ = 8232686632. Its totient is φ = 8227563552.

The previous prime is 8230125089. The next prime is 8230125107. The reversal of 8230125091 is 1905210328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8230125091 - 2¹ = 8230125089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8230125191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275945 + ... + 1282378.

It is an arithmetic number, because the mean of its divisors is an integer number (2058171658).

Almost surely, 2^8230125091 is an apocalyptic number.

8230125091 is a deficient number, since it is larger than the sum of its proper divisors (2561541).

8230125091 is a wasteful number, since it uses less digits than its factorization.

8230125091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561540.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8230125091 is about 90720.0368771971. The cubic root of 8230125091 is about 2018.9960938942.

The spelling of 8230125091 in words is "eight billion, two hundred thirty million, one hundred twenty-five thousand, ninety-one".