1536542625 has 16 divisors (see below), whose sum is σ = 2556807552. Its totient is φ = 819489200.

The previous prime is 1536542587. The next prime is 1536542627. The reversal of 1536542625 is 5262456351.

It is not a de Polignac number, because 1536542625 - 2⁶ = 1536542561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1536542627) 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 15 ways as a sum of consecutive naturals, for example, 2048349 + ... + 2049098.

It is an arithmetic number, because the mean of its divisors is an integer number (159800472).

Almost surely, 2^1536542625 is an apocalyptic number.

1536542625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1536542625 is a deficient number, since it is larger than the sum of its proper divisors (1020264927).

1536542625 is an equidigital number, since it uses as much as digits as its factorization.

1536542625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097465 (or 4097455 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 1536542625 is about 39198.7579522617. The cubic root of 1536542625 is about 1153.9355084220.

Adding to 1536542625 its reverse (5262456351), we get a palindrome (6798998976).

The spelling of 1536542625 in words is "one billion, five hundred thirty-six million, five hundred forty-two thousand, six hundred twenty-five".