652149 has 6 divisors (see below), whose sum is σ = 942006. Its totient is φ = 434760.

The previous prime is 652121. The next prime is 652153. The reversal of 652149 is 941256.

652149 is a `hidden beast` number, since 652 + 1 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 651249 + 900 = 807^2 + 30^2 .

It is not a de Polignac number, because 652149 - 2⁵ = 652117 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652189) 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 5 ways as a sum of consecutive naturals, for example, 36222 + ... + 36239.

It is an arithmetic number, because the mean of its divisors is an integer number (157001).

2⁶⁵²¹⁴⁹ is an apocalyptic number.

It is an amenable number.

652149 is a deficient number, since it is larger than the sum of its proper divisors (289857).

652149 is a wasteful number, since it uses less digits than its factorization.

652149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72467 (or 72464 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 652149 is about 807.5574282984. The cubic root of 652149 is about 86.7192695123.

The spelling of 652149 in words is "six hundred fifty-two thousand, one hundred forty-nine".