1528825137 has 12 divisors (see below), whose sum is σ = 2371239216. Its totient is φ = 873614280.

The previous prime is 1528825099. The next prime is 1528825141. The reversal of 1528825137 is 7315288251.

It is not a de Polignac number, because 1528825137 - 2⁷ = 1528825009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1528823137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5199939 + ... + 5200232.

It is an arithmetic number, because the mean of its divisors is an integer number (197603268).

Almost surely, 2^1528825137 is an apocalyptic number.

It is an amenable number.

1528825137 is a deficient number, since it is larger than the sum of its proper divisors (842414079).

1528825137 is a wasteful number, since it uses less digits than its factorization.

1528825137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400188 (or 10400181 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 1528825137 is about 39100.1935672958. The cubic root of 1528825137 is about 1152.0003338095. Note that the first 3 decimals are identical.

The spelling of 1528825137 in words is "one billion, five hundred twenty-eight million, eight hundred twenty-five thousand, one hundred thirty-seven".