1533542 has 8 divisors (see below), whose sum is σ = 2305632. Its totient is φ = 765000.

The previous prime is 1533533. The next prime is 1533557. The reversal of 1533542 is 2453351.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (288204).

2^1533542 is an apocalyptic number.

1533542 is a deficient number, since it is larger than the sum of its proper divisors (772090).

1533542 is a wasteful number, since it uses less digits than its factorization.

1533542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 1800, while the sum is 23.

The square root of 1533542 is about 1238.3626286351. The cubic root of 1533542 is about 115.3183867682.

Adding to 1533542 its reverse (2453351), we get a palindrome (3986893).

The spelling of 1533542 in words is "one million, five hundred thirty-three thousand, five hundred forty-two".