1530564665 has 16 divisors (see below), whose sum is σ = 2209537920. Its totient is φ = 994291200.

The previous prime is 1530564641. The next prime is 1530564667. The reversal of 1530564665 is 5664650351.

It is not a de Polignac number, because 1530564665 - 2¹² = 1530560569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1530564667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150136 + ... + 1151465.

It is an arithmetic number, because the mean of its divisors is an integer number (138096120).

Almost surely, 2^1530564665 is an apocalyptic number.

It is an amenable number.

1530564665 is a deficient number, since it is larger than the sum of its proper divisors (678973255).

1530564665 is a wasteful number, since it uses less digits than its factorization.

1530564665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301632.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 1530564665 is about 39122.4317367926. The cubic root of 1530564665 is about 1152.4370912533.

The spelling of 1530564665 in words is "one billion, five hundred thirty million, five hundred sixty-four thousand, six hundred sixty-five".