652571 has 4 divisors (see below), whose sum is σ = 654312. Its totient is φ = 650832.

The previous prime is 652567. The next prime is 652573. The reversal of 652571 is 175256.

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

It is a cyclic number.

It is not a de Polignac number, because 652571 - 2² = 652567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652571.

It is not an unprimeable number, because it can be changed into a prime (652573) 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, 50 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (163578).

2⁶⁵²⁵⁷¹ is an apocalyptic number.

652571 is a deficient number, since it is larger than the sum of its proper divisors (1741).

652571 is a wasteful number, since it uses less digits than its factorization.

652571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its digits is 2100, while the sum is 26.

The square root of 652571 is about 807.8186677714. The cubic root of 652571 is about 86.7379705766.

The spelling of 652571 in words is "six hundred fifty-two thousand, five hundred seventy-one".