1530405165 has 32 divisors (see below), whose sum is σ = 2560481280. Its totient is φ = 779087936.

The previous prime is 1530405067. The next prime is 1530405167. The reversal of 1530405165 is 5615040351.

It is a cyclic number.

It is not a de Polignac number, because 1530405165 - 2²⁷ = 1396187437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530405167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169126 + ... + 177944.

It is an arithmetic number, because the mean of its divisors is an integer number (80015040).

Almost surely, 2^1530405165 is an apocalyptic number.

1530405165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530405165 is a deficient number, since it is larger than the sum of its proper divisors (1030076115).

1530405165 is a wasteful number, since it uses less digits than its factorization.

1530405165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1530405165 is about 39120.3932112140. The cubic root of 1530405165 is about 1152.3970580757.

The spelling of 1530405165 in words is "one billion, five hundred thirty million, four hundred five thousand, one hundred sixty-five".