1530752425 has 24 divisors (see below), whose sum is σ = 1949484600. Its totient is φ = 1191628800.

The previous prime is 1530752411. The next prime is 1530752491. The reversal of 1530752425 is 5242570351.

It can be written as a sum of positive squares in 12 ways, for example, as 1484021529 + 46730896 = 38523^2 + 6836^2 .

It is not a de Polignac number, because 1530752425 - 2¹³ = 1530744233 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 442101 + ... + 445549.

It is an arithmetic number, because the mean of its divisors is an integer number (81228525).

Almost surely, 2^1530752425 is an apocalyptic number.

It is an amenable number.

1530752425 is a deficient number, since it is larger than the sum of its proper divisors (418732175).

1530752425 is a wasteful number, since it uses less digits than its factorization.

1530752425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 1530752425 is about 39124.8313095405. The cubic root of 1530752425 is about 1152.4842138928.

The spelling of 1530752425 in words is "one billion, five hundred thirty million, seven hundred fifty-two thousand, four hundred twenty-five".