1534536081 has 12 divisors (see below), whose sum is σ = 2387056308. Its totient is φ = 944329824.

The previous prime is 1534536071. The next prime is 1534536089. The reversal of 1534536081 is 1806354351.

1534536081 is a `hidden beast` number, since 1 + 5 + 3 + 45 + 3 + 608 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79495056 + 1455041025 = 8916^2 + 38145^2 .

It is not a de Polignac number, because 1534536081 - 2²⁶ = 1467427217 is a prime.

It is a super-2 number, since 2×1534536081² = 4709601967781677122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1534536089) 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 11 ways as a sum of consecutive naturals, for example, 6557730 + ... + 6557963.

It is an arithmetic number, because the mean of its divisors is an integer number (198921359).

Almost surely, 2^1534536081 is an apocalyptic number.

It is an amenable number.

1534536081 is a deficient number, since it is larger than the sum of its proper divisors (852520227).

1534536081 is a wasteful number, since it uses less digits than its factorization.

1534536081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115712 (or 13115709 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1534536081 is about 39173.1551065267. The cubic root of 1534536081 is about 1153.4329882501.

The spelling of 1534536081 in words is "one billion, five hundred thirty-four million, five hundred thirty-six thousand, eighty-one".