655269 has 4 divisors (see below), whose sum is σ = 873696. Its totient is φ = 436844.

The previous prime is 655267. The next prime is 655273. The reversal of 655269 is 962556.

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 a cyclic number.

It is not a de Polignac number, because 655269 - 2¹ = 655267 is a prime.

It is a super-2 number, since 2×655269² = 858754924722, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655269.

It is not an unprimeable number, because it can be changed into a prime (655261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109209 + ... + 109214.

It is an arithmetic number, because the mean of its divisors is an integer number (218424).

2⁶⁵⁵²⁶⁹ is an apocalyptic number.

It is an amenable number.

655269 is a deficient number, since it is larger than the sum of its proper divisors (218427).

655269 is a wasteful number, since it uses less digits than its factorization.

655269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218426.

The product of its digits is 16200, while the sum is 33.

The square root of 655269 is about 809.4868745075. The cubic root of 655269 is about 86.8573431673.

The spelling of 655269 in words is "six hundred fifty-five thousand, two hundred sixty-nine".