652091 has 4 divisors (see below), whose sum is σ = 711384. Its totient is φ = 592800.

The previous prime is 652087. The next prime is 652117. The reversal of 652091 is 190256.

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 652091 - 2² = 652087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652081) 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, 29630 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (177846).

2⁶⁵²⁰⁹¹ is an apocalyptic number.

652091 is a deficient number, since it is larger than the sum of its proper divisors (59293).

652091 is a wasteful number, since it uses less digits than its factorization.

652091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59292.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 652091 is about 807.5215167412. The cubic root of 652091 is about 86.7166985934.

The spelling of 652091 in words is "six hundred fifty-two thousand, ninety-one".