1530538 has 8 divisors (see below), whose sum is σ = 2301120. Its totient is φ = 763500.

The previous prime is 1530523. The next prime is 1530539. The reversal of 1530538 is 8350351.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1530539) 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, 993 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (287640).

2^1530538 is an apocalyptic number.

1530538 is a deficient number, since it is larger than the sum of its proper divisors (770582).

1530538 is a wasteful number, since it uses less digits than its factorization.

1530538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

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

The square root of 1530538 is about 1237.1491421813. The cubic root of 1530538 is about 115.2430398753.

Adding to 1530538 its reverse (8350351), we get a palindrome (9880889).

The spelling of 1530538 in words is "one million, five hundred thirty thousand, five hundred thirty-eight".