1652045 has 4 divisors (see below), whose sum is σ = 1982460. Its totient is φ = 1321632.

The previous prime is 1652039. The next prime is 1652047. The reversal of 1652045 is 5402561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 779689 + 872356 = 883^2 + 934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652045 - 2⁶ = 1651981 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1652045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652047) by changing a digit.

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, 165200 + ... + 165209.

It is an arithmetic number, because the mean of its divisors is an integer number (495615).

2^1652045 is an apocalyptic number.

It is an amenable number.

1652045 is a deficient number, since it is larger than the sum of its proper divisors (330415).

1652045 is an equidigital number, since it uses as much as digits as its factorization.

1652045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330414.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1652045 is about 1285.3190265455. The cubic root of 1652045 is about 118.2153732046.

The spelling of 1652045 in words is "one million, six hundred fifty-two thousand, forty-five".