1536091249 has 27 divisors (see below), whose sum is σ = 1967959371. Its totient is φ = 1194602640.

The previous prime is 1536091243. The next prime is 1536091273. The reversal of 1536091249 is 9421906351.

The square root of 1536091249 is 39193.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1249127649 + 286963600 = 35343^2 + 16940^2 .

It is not a de Polignac number, because 1536091249 - 2³ = 1536091241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1536091241) 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 26 ways as a sum of consecutive naturals, for example, 3017607 + ... + 3018115.

Almost surely, 2^1536091249 is an apocalyptic number.

1536091249 is the 39193-rd square number.

1536091249 is the 19597-th centered octagonal number.

It is an amenable number.

1536091249 is a deficient number, since it is larger than the sum of its proper divisors (431868122).

1536091249 is an frugal number, since it uses more digits than its factorization.

1536091249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The cubic root of 1536091249 is about 1153.8225036808.

The spelling of 1536091249 in words is "one billion, five hundred thirty-six million, ninety-one thousand, two hundred forty-nine".