1530133717 has 4 divisors (see below), whose sum is σ = 1748724256. Its totient is φ = 1311543180.

The previous prime is 1530133711. The next prime is 1530133723. The reversal of 1530133717 is 7173310351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7173310351 = 647 ⋅11087033.

It is an interprime number because it is at equal distance from previous prime (1530133711) and next prime (1530133723).

It is a cyclic number.

It is not a de Polignac number, because 1530133717 - 2⁷ = 1530133589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530133711) 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, 109295259 + ... + 109295272.

It is an arithmetic number, because the mean of its divisors is an integer number (437181064).

Almost surely, 2^1530133717 is an apocalyptic number.

It is an amenable number.

1530133717 is a deficient number, since it is larger than the sum of its proper divisors (218590539).

1530133717 is an equidigital number, since it uses as much as digits as its factorization.

1530133717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218590538.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 1530133717 is about 39116.9236648282. The cubic root of 1530133717 is about 1152.3289204826.

The spelling of 1530133717 in words is "one billion, five hundred thirty million, one hundred thirty-three thousand, seven hundred seventeen".