1538000275 has 48 divisors (see below), whose sum is σ = 2253052224. Its totient is φ = 1019450880.

The previous prime is 1538000273. The next prime is 1538000279. The reversal of 1538000275 is 5720008351.

It is not a de Polignac number, because 1538000275 - 2¹ = 1538000273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1538000273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1119489 + ... + 1120861.

It is an arithmetic number, because the mean of its divisors is an integer number (46938588).

It is a vampire number, since it can be written as 30275 ⋅ 50801 (with its own digits).

Almost surely, 2^1538000275 is an apocalyptic number.

1538000275 is a deficient number, since it is larger than the sum of its proper divisors (715051949).

1538000275 is a wasteful number, since it uses less digits than its factorization.

1538000275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1538000275 is about 39217.3466083569. The cubic root of 1538000275 is about 1154.3002889486.

The spelling of 1538000275 in words is "one billion, five hundred thirty-eight million, two hundred seventy-five", and thus it is an aban number.