1530703 has 2 divisors, whose sum is σ = 1530704. Its totient is φ = 1530702.

The previous prime is 1530691. The next prime is 1530709. The reversal of 1530703 is 3070351.

It is a strong prime.

It is an emirp because it is prime and its reverse (3070351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530703 - 2¹³ = 1522511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765351 + 765352.

It is an arithmetic number, because the mean of its divisors is an integer number (765352).

2^1530703 is an apocalyptic number.

1530703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530703 is an equidigital number, since it uses as much as digits as its factorization.

1530703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 1530703 is about 1237.2158259576. The cubic root of 1530703 is about 115.2471809939.

The spelling of 1530703 in words is "one million, five hundred thirty thousand, seven hundred three".