9125251 has 4 divisors (see below), whose sum is σ = 9135000. Its totient is φ = 9115504.

The previous prime is 9125239. The next prime is 9125261. The reversal of 9125251 is 1525219.

9125251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9125251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9125201) 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, 3301 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (2283750).

Almost surely, 2^9125251 is an apocalyptic number.

9125251 is a deficient number, since it is larger than the sum of its proper divisors (9749).

9125251 is a wasteful number, since it uses less digits than its factorization.

9125251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748.

The product of its digits is 900, while the sum is 25.

The square root of 9125251 is about 3020.8030389286. The cubic root of 9125251 is about 208.9688758091.

The spelling of 9125251 in words is "nine million, one hundred twenty-five thousand, two hundred fifty-one".