7538541 has 4 divisors (see below), whose sum is σ = 10051392. Its totient is φ = 5025692.

The previous prime is 7538533. The next prime is 7538543. The reversal of 7538541 is 1458357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1458357 = 3 ⋅486119.

It is a cyclic number.

It is not a de Polignac number, because 7538541 - 2³ = 7538533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538543) by changing a digit.

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, 1256421 + ... + 1256426.

It is an arithmetic number, because the mean of its divisors is an integer number (2512848).

Almost surely, 2^7538541 is an apocalyptic number.

It is an amenable number.

7538541 is a deficient number, since it is larger than the sum of its proper divisors (2512851).

7538541 is a wasteful number, since it uses less digits than its factorization.

7538541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512850.

The product of its digits is 16800, while the sum is 33.

The square root of 7538541 is about 2745.6403624656. The cubic root of 7538541 is about 196.0781047178.

The spelling of 7538541 in words is "seven million, five hundred thirty-eight thousand, five hundred forty-one".