9252147 has 4 divisors (see below), whose sum is σ = 12336200. Its totient is φ = 6168096.

The previous prime is 9252143. The next prime is 9252149. The reversal of 9252147 is 7412529.

9252147 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.

It is not a de Polignac number, because 9252147 - 2² = 9252143 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9252147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9252143) 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, 1542022 + ... + 1542027.

It is an arithmetic number, because the mean of its divisors is an integer number (3084050).

Almost surely, 2^9252147 is an apocalyptic number.

9252147 is a deficient number, since it is larger than the sum of its proper divisors (3084053).

9252147 is a wasteful number, since it uses less digits than its factorization.

9252147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084052.

The product of its digits is 5040, while the sum is 30.

The square root of 9252147 is about 3041.7342092957. The cubic root of 9252147 is about 209.9330625662.

The spelling of 9252147 in words is "nine million, two hundred fifty-two thousand, one hundred forty-seven".