1530205373 has 4 divisors (see below), whose sum is σ = 1531238688. Its totient is φ = 1529172060.

The previous prime is 1530205349. The next prime is 1530205379. The reversal of 1530205373 is 3735020351.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1530205373 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 (1530205379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514433 + ... + 517398.

It is an arithmetic number, because the mean of its divisors is an integer number (382809672).

Almost surely, 2^1530205373 is an apocalyptic number.

It is an amenable number.

1530205373 is a deficient number, since it is larger than the sum of its proper divisors (1033315).

1530205373 is a wasteful number, since it uses less digits than its factorization.

1530205373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033314.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 1530205373 is about 39117.8395748027. The cubic root of 1530205373 is about 1152.3469080156.

The spelling of 1530205373 in words is "one billion, five hundred thirty million, two hundred five thousand, three hundred seventy-three".