652749 has 8 divisors (see below), whose sum is σ = 921600. Its totient is φ = 409536.

The previous prime is 652747. The next prime is 652753. The reversal of 652749 is 947256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652749 - 2¹ = 652747 is a prime.

It is a d-powerful number, because it can be written as 6 + 5⁵ + 7⁶ + 2⁹ + 4² + 9⁶ .

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6349 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2⁶⁵²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

652749 is a deficient number, since it is larger than the sum of its proper divisors (268851).

652749 is a wasteful number, since it uses less digits than its factorization.

652749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12819.

The product of its digits is 15120, while the sum is 33.

The square root of 652749 is about 807.9288334996. The cubic root of 652749 is about 86.7458562857.

The spelling of 652749 in words is "six hundred fifty-two thousand, seven hundred forty-nine".