652045 has 4 divisors (see below), whose sum is σ = 782460. Its totient is φ = 521632.

The previous prime is 652039. The next prime is 652063. The reversal of 652045 is 540256.

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 352836 + 299209 = 594^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 652045 - 2¹⁵ = 619277 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 65200 + ... + 65209.

It is an arithmetic number, because the mean of its divisors is an integer number (195615).

2⁶⁵²⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

652045 is a deficient number, since it is larger than the sum of its proper divisors (130415).

652045 is a wasteful number, since it uses less digits than its factorization.

652045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130414.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 652045 is about 807.4930340257. The cubic root of 652045 is about 86.7146594802.

The spelling of 652045 in words is "six hundred fifty-two thousand, forty-five".