1652165 has 4 divisors (see below), whose sum is σ = 1982604. Its totient is φ = 1321728.

The previous prime is 1652141. The next prime is 1652171. The reversal of 1652165 is 5612561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5612561 = 229 ⋅24509.

It can be written as a sum of positive squares in 2 ways, for example, as 1181569 + 470596 = 1087^2 + 686^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652165 - 2¹² = 1648069 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165212 + ... + 165221.

It is an arithmetic number, because the mean of its divisors is an integer number (495651).

2^1652165 is an apocalyptic number.

It is an amenable number.

1652165 is a deficient number, since it is larger than the sum of its proper divisors (330439).

1652165 is an equidigital number, since it uses as much as digits as its factorization.

1652165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330438.

The product of its digits is 1800, while the sum is 26.

The square root of 1652165 is about 1285.3657067154. The cubic root of 1652165 is about 118.2182354150.

The spelling of 1652165 in words is "one million, six hundred fifty-two thousand, one hundred sixty-five".