653011 has 4 divisors (see below), whose sum is σ = 687400. Its totient is φ = 618624.

The previous prime is 652999. The next prime is 653033. The reversal of 653011 is 110356.

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 653011 - 2⁹ = 652499 is a prime.

It is a super-2 number, since 2×653011² = 852846732242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653111) 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, 17166 + ... + 17203.

It is an arithmetic number, because the mean of its divisors is an integer number (171850).

2⁶⁵³⁰¹¹ is an apocalyptic number.

653011 is a deficient number, since it is larger than the sum of its proper divisors (34389).

653011 is a wasteful number, since it uses less digits than its factorization.

653011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34388.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 653011 is about 808.0909602266. The cubic root of 653011 is about 86.7574607330.

Adding to 653011 its reverse (110356), we get a palindrome (763367).

The spelling of 653011 in words is "six hundred fifty-three thousand, eleven".