1530542 has 24 divisors (see below), whose sum is σ = 2600136. Its totient is φ = 671328.

The previous prime is 1530541. The next prime is 1530553. The reversal of 1530542 is 2450351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530541) 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 11 ways as a sum of consecutive naturals, for example, 35573 + ... + 35615.

It is an arithmetic number, because the mean of its divisors is an integer number (108339).

2^1530542 is an apocalyptic number.

1530542 is a deficient number, since it is larger than the sum of its proper divisors (1069594).

1530542 is a wasteful number, since it uses less digits than its factorization.

1530542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1530542 is about 1237.1507588002. The cubic root of 1530542 is about 115.2431402696.

Adding to 1530542 its reverse (2450351), we get a palindrome (3980893).

The spelling of 1530542 in words is "one million, five hundred thirty thousand, five hundred forty-two".