1530791 has 2 divisors, whose sum is σ = 1530792. Its totient is φ = 1530790.

The previous prime is 1530779. The next prime is 1530803. The reversal of 1530791 is 1970351.

It is a balanced prime because it is at equal distance from previous prime (1530779) and next prime (1530803).

It is a cyclic number.

It is not a de Polignac number, because 1530791 - 2¹⁴ = 1514407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1530791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765395 + 765396.

It is an arithmetic number, because the mean of its divisors is an integer number (765396).

2^1530791 is an apocalyptic number.

1530791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530791 is an equidigital number, since it uses as much as digits as its factorization.

1530791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1530791 is about 1237.2513891687. The cubic root of 1530791 is about 115.2493894689.

The spelling of 1530791 in words is "one million, five hundred thirty thousand, seven hundred ninety-one".