1536541 has 4 divisors (see below), whose sum is σ = 1539232. Its totient is φ = 1533852.

The previous prime is 1536539. The next prime is 1536547. The reversal of 1536541 is 1456351.

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.

It is a cyclic number.

It is not a de Polignac number, because 1536541 - 2¹ = 1536539 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 (1536547) 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, 111 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (384808).

2^1536541 is an apocalyptic number.

It is an amenable number.

1536541 is a deficient number, since it is larger than the sum of its proper divisors (2691).

1536541 is an equidigital number, since it uses as much as digits as its factorization.

1536541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 1800, while the sum is 25.

The square root of 1536541 is about 1239.5729103203. The cubic root of 1536541 is about 115.3935101633.

The spelling of 1536541 in words is "one million, five hundred thirty-six thousand, five hundred forty-one".