652561 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 504000.

The previous prime is 652559. The next prime is 652567. The reversal of 652561 is 165256.

652561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 652561 - 2¹ = 652559 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (652567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2⁶⁵²⁵⁶¹ is an apocalyptic number.

It is an amenable number.

652561 is a deficient number, since it is larger than the sum of its proper divisors (169967).

652561 is a wasteful number, since it uses less digits than its factorization.

652561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its digits is 1800, while the sum is 25.

The square root of 652561 is about 807.8124782398. The cubic root of 652561 is about 86.7375275167.

The spelling of 652561 in words is "six hundred fifty-two thousand, five hundred sixty-one".