1530343225 has 6 divisors (see below), whose sum is σ = 1897625630. Its totient is φ = 1224274560.

The previous prime is 1530343187. The next prime is 1530343259. The reversal of 1530343225 is 5223430351.

It can be written as a sum of positive squares in 3 ways, for example, as 528494121 + 1001849104 = 22989^2 + 31652^2 .

It is not a de Polignac number, because 1530343225 - 2¹¹ = 1530341177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530343193 and 1530343202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30606840 + ... + 30606889.

Almost surely, 2^1530343225 is an apocalyptic number.

It is an amenable number.

1530343225 is a deficient number, since it is larger than the sum of its proper divisors (367282405).

1530343225 is an equidigital number, since it uses as much as digits as its factorization.

1530343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61213739 (or 61213734 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1530343225 is about 39119.6015444943. The cubic root of 1530343225 is about 1152.3815108994.

Adding to 1530343225 its reverse (5223430351), we get a palindrome (6753773576).

The spelling of 1530343225 in words is "one billion, five hundred thirty million, three hundred forty-three thousand, two hundred twenty-five".