1530693 has 12 divisors (see below), whose sum is σ = 2253420. Its totient is φ = 1000896.

The previous prime is 1530691. The next prime is 1530703. The reversal of 1530693 is 3960351.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 544644 = 993^2 + 738^2 .

It is not a de Polignac number, because 1530693 - 2¹ = 1530691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (187785).

2^1530693 is an apocalyptic number.

It is an amenable number.

1530693 is a deficient number, since it is larger than the sum of its proper divisors (722727).

1530693 is a wasteful number, since it uses less digits than its factorization.

1530693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1530693 is about 1237.2117846189. The cubic root of 1530693 is about 115.2469300255.

The spelling of 1530693 in words is "one million, five hundred thirty thousand, six hundred ninety-three".