9425021 has 8 divisors (see below), whose sum is σ = 10020024. Its totient is φ = 8834560.

The previous prime is 9424999. The next prime is 9425027. The reversal of 9425021 is 1205249.

It can be written as a sum of positive squares in 4 ways, for example, as 1999396 + 7425625 = 1414^2 + 2725^2 .

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

It is not a de Polignac number, because 9425021 - 2²² = 5230717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9425027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3791 + ... + 5763.

It is an arithmetic number, because the mean of its divisors is an integer number (1252503).

Almost surely, 2^9425021 is an apocalyptic number.

It is an amenable number.

9425021 is a deficient number, since it is larger than the sum of its proper divisors (595003).

9425021 is a wasteful number, since it uses less digits than its factorization.

9425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 9425021 is about 3070.0197067771. The cubic root of 9425021 is about 211.2325177228.

The spelling of 9425021 in words is "nine million, four hundred twenty-five thousand, twenty-one".