1536409425 has 24 divisors (see below), whose sum is σ = 2689622496. Its totient is φ = 771216640.

The previous prime is 1536409417. The next prime is 1536409429. The reversal of 1536409425 is 5249046351.

It is not a de Polignac number, because 1536409425 - 2³ = 1536409417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1536409429) by changing a digit.

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, 601239 + ... + 603788.

It is an arithmetic number, because the mean of its divisors is an integer number (112067604).

Almost surely, 2^1536409425 is an apocalyptic number.

1536409425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1536409425 is a deficient number, since it is larger than the sum of its proper divisors (1153213071).

1536409425 is a wasteful number, since it uses less digits than its factorization.

1536409425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205057 (or 1205052 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1536409425 is about 39197.0588820131. The cubic root of 1536409425 is about 1153.9021632897.

The spelling of 1536409425 in words is "one billion, five hundred thirty-six million, four hundred nine thousand, four hundred twenty-five".