653006 has 4 divisors (see below), whose sum is σ = 979512. Its totient is φ = 326502.

The previous prime is 652999. The next prime is 653033. The reversal of 653006 is 600356.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

653006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 163250 + ... + 163253.

It is an arithmetic number, because the mean of its divisors is an integer number (244878).

2⁶⁵³⁰⁰⁶ is an apocalyptic number.

653006 is a deficient number, since it is larger than the sum of its proper divisors (326506).

653006 is a wasteful number, since it uses less digits than its factorization.

653006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326505.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 653006 is about 808.0878665096. The cubic root of 653006 is about 86.7572393032.

Subtracting from 653006 its reverse (600356), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 653006 in words is "six hundred fifty-three thousand, six".