9042541 has 4 divisors (see below), whose sum is σ = 9286972. Its totient is φ = 8798112.

The previous prime is 9042533. The next prime is 9042547. The reversal of 9042541 is 1452409.

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 7209225 + 1833316 = 2685^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 9042541 - 2³ = 9042533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042547) 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, 122160 + ... + 122233.

It is an arithmetic number, because the mean of its divisors is an integer number (2321743).

Almost surely, 2^9042541 is an apocalyptic number.

It is an amenable number.

9042541 is a deficient number, since it is larger than the sum of its proper divisors (244431).

9042541 is a wasteful number, since it uses less digits than its factorization.

9042541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244430.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 9042541 is about 3007.0818079992. The cubic root of 9042541 is about 208.3356037441.

The spelling of 9042541 in words is "nine million, forty-two thousand, five hundred forty-one".