652961 has 4 divisors (see below), whose sum is σ = 660912. Its totient is φ = 645012.

The previous prime is 652957. The next prime is 652969. The reversal of 652961 is 169256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652961 - 2² = 652957 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652969) by changing a digit.

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, 3851 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (165228).

2⁶⁵²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

652961 is a deficient number, since it is larger than the sum of its proper divisors (7951).

652961 is an equidigital number, since it uses as much as digits as its factorization.

652961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950.

The product of its digits is 3240, while the sum is 29.

The square root of 652961 is about 808.0600225231. The cubic root of 652961 is about 86.7552463835.

The spelling of 652961 in words is "six hundred fifty-two thousand, nine hundred sixty-one".