1532542 has 8 divisors (see below), whose sum is σ = 2507832. Its totient is φ = 696600.

The previous prime is 1532507. The next prime is 1532543. The reversal of 1532542 is 2452351.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 69661 = 1532542 / (1 + 5 + 3 + 2 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532543) 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, 34809 + ... + 34852.

It is an arithmetic number, because the mean of its divisors is an integer number (313479).

2^1532542 is an apocalyptic number.

1532542 is a deficient number, since it is larger than the sum of its proper divisors (975290).

1532542 is a wasteful number, since it uses less digits than its factorization.

1532542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69674.

The product of its digits is 1200, while the sum is 22.

The square root of 1532542 is about 1237.9588038380. The cubic root of 1532542 is about 115.2933155145.

Adding to 1532542 its reverse (2452351), we get a palindrome (3984893).

The spelling of 1532542 in words is "one million, five hundred thirty-two thousand, five hundred forty-two".