1530313 has 2 divisors, whose sum is σ = 1530314. Its totient is φ = 1530312.

The previous prime is 1530311. The next prime is 1530329. The reversal of 1530313 is 3130351.

It is an a-pointer prime, because the next prime (1530329) can be obtained adding 1530313 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 144 = 1237^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530313 - 2¹ = 1530311 is a prime.

Together with 1530311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1530311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765156 + 765157.

It is an arithmetic number, because the mean of its divisors is an integer number (765157).

2^1530313 is an apocalyptic number.

It is an amenable number.

1530313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530313 is an equidigital number, since it uses as much as digits as its factorization.

1530313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1530313 is about 1237.0582039662. The cubic root of 1530313 is about 115.2373924157.

Adding to 1530313 its reverse (3130351), we get a palindrome (4660664).

The spelling of 1530313 in words is "one million, five hundred thirty thousand, three hundred thirteen".