9125285791 has 4 divisors (see below), whose sum is σ = 9127981800. Its totient is φ = 9122589784.

The previous prime is 9125285773. The next prime is 9125285797. The reversal of 9125285791 is 1975825219.

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 9125285791 - 2¹⁵ = 9125253023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9125285797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342921 + ... + 1349698.

It is an arithmetic number, because the mean of its divisors is an integer number (2281995450).

Almost surely, 2^9125285791 is an apocalyptic number.

9125285791 is a deficient number, since it is larger than the sum of its proper divisors (2696009).

9125285791 is a wasteful number, since it uses less digits than its factorization.

9125285791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696008.

The product of its digits is 453600, while the sum is 49.

The square root of 9125285791 is about 95526.3617594641. The cubic root of 9125285791 is about 2089.6914138081.

The spelling of 9125285791 in words is "nine billion, one hundred twenty-five million, two hundred eighty-five thousand, seven hundred ninety-one".