653061 has 4 divisors (see below), whose sum is σ = 870752. Its totient is φ = 435372.

The previous prime is 653057. The next prime is 653083. The reversal of 653061 is 160356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 653061 - 2² = 653057 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108841 + ... + 108846.

It is an arithmetic number, because the mean of its divisors is an integer number (217688).

2⁶⁵³⁰⁶¹ is an apocalyptic number.

It is an amenable number.

653061 is a deficient number, since it is larger than the sum of its proper divisors (217691).

653061 is a wasteful number, since it uses less digits than its factorization.

653061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217690.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 653061 is about 808.1218967458. The cubic root of 653061 is about 86.7596749695.

The spelling of 653061 in words is "six hundred fifty-three thousand, sixty-one".