9472521 has 8 divisors (see below), whose sum is σ = 12898944. Its totient is φ = 6180560.

The previous prime is 9472511. The next prime is 9472523. The reversal of 9472521 is 1252749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9472521 - 2⁶ = 9472457 is a prime.

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

9472521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9472523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33450 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (1612368).

Almost surely, 2^9472521 is an apocalyptic number.

It is an amenable number.

9472521 is a deficient number, since it is larger than the sum of its proper divisors (3426423).

9472521 is a wasteful number, since it uses less digits than its factorization.

9472521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67231.

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

The square root of 9472521 is about 3077.7460908918. The cubic root of 9472521 is about 211.5867781543.

The spelling of 9472521 in words is "nine million, four hundred seventy-two thousand, five hundred twenty-one".