652445 has 4 divisors (see below), whose sum is σ = 782940. Its totient is φ = 521952.

The previous prime is 652429. The next prime is 652447. The reversal of 652445 is 544256.

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 276676 + 375769 = 526^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 652445 - 2⁴ = 652429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65240 + ... + 65249.

It is an arithmetic number, because the mean of its divisors is an integer number (195735).

2⁶⁵²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

652445 is a deficient number, since it is larger than the sum of its proper divisors (130495).

652445 is a wasteful number, since it uses less digits than its factorization.

652445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130494.

The product of its digits is 4800, while the sum is 26.

The square root of 652445 is about 807.7406762074. The cubic root of 652445 is about 86.7323876910.

The spelling of 652445 in words is "six hundred fifty-two thousand, four hundred forty-five".