1532728425 has 12 divisors (see below), whose sum is σ = 2534111120. Its totient is φ = 817455120.

The previous prime is 1532728409. The next prime is 1532728481. The reversal of 1532728425 is 5248272351.

It is not a de Polignac number, because 1532728425 - 2⁴ = 1532728409 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10218115 + ... + 10218264.

Almost surely, 2^1532728425 is an apocalyptic number.

1532728425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1532728425 is a deficient number, since it is larger than the sum of its proper divisors (1001382695).

1532728425 is a wasteful number, since it uses less digits than its factorization.

1532728425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436392 (or 20436387 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 1532728425 is about 39150.0756704250. The cubic root of 1532728425 is about 1152.9799024988.

The spelling of 1532728425 in words is "one billion, five hundred thirty-two million, seven hundred twenty-eight thousand, four hundred twenty-five".