652771 has 4 divisors (see below), whose sum is σ = 746032. Its totient is φ = 559512.

The previous prime is 652759. The next prime is 652787. The reversal of 652771 is 177256.

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 652771 - 2⁵ = 652739 is a prime.

It is a super-2 number, since 2×652771² = 852219956882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46620 + ... + 46633.

It is an arithmetic number, because the mean of its divisors is an integer number (186508).

2⁶⁵²⁷⁷¹ is an apocalyptic number.

652771 is a deficient number, since it is larger than the sum of its proper divisors (93261).

652771 is an equidigital number, since it uses as much as digits as its factorization.

652771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93260.

The product of its digits is 2940, while the sum is 28.

The square root of 652771 is about 807.9424484454. The cubic root of 652771 is about 86.7468308243.

The spelling of 652771 in words is "six hundred fifty-two thousand, seven hundred seventy-one".