9420545 has 4 divisors (see below), whose sum is σ = 11304660. Its totient is φ = 7536432.

The previous prime is 9420527. The next prime is 9420553. The reversal of 9420545 is 5450249.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 5764801 = 1912^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 9420545 - 2¹⁰ = 9419521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942050 + ... + 942059.

It is an arithmetic number, because the mean of its divisors is an integer number (2826165).

Almost surely, 2^9420545 is an apocalyptic number.

It is an amenable number.

9420545 is a deficient number, since it is larger than the sum of its proper divisors (1884115).

9420545 is a wasteful number, since it uses less digits than its factorization.

9420545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884114.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 9420545 is about 3069.2906346581. The cubic root of 9420545 is about 211.1990738907.

The spelling of 9420545 in words is "nine million, four hundred twenty thousand, five hundred forty-five".