1530165 has 64 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 601344.

The previous prime is 1530157. The next prime is 1530173. The reversal of 1530165 is 5610351.

1530165 = T₃₃₀ + T₃₃₁ + ... + T₃₅₅.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1530157) and next prime (1530173).

It is not a de Polignac number, because 1530165 - 2³ = 1530157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25906 + ... + 25964.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^1530165 is an apocalyptic number.

1530165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530165 is an abundant number, since it is smaller than the sum of its proper divisors (1695435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530165 is a wasteful number, since it uses less digits than its factorization.

1530165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1530165 is about 1236.9983831841. The cubic root of 1530165 is about 115.2336773404.

The spelling of 1530165 in words is "one million, five hundred thirty thousand, one hundred sixty-five".