655435523 has 4 divisors (see below), whose sum is σ = 655684680. Its totient is φ = 655186368.

The previous prime is 655435513. The next prime is 655435549. The reversal of 655435523 is 325534556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655435523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655435513) 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, 120590 + ... + 125907.

It is an arithmetic number, because the mean of its divisors is an integer number (163921170).

Almost surely, 2^655435523 is an apocalyptic number.

655435523 is a deficient number, since it is larger than the sum of its proper divisors (249157).

655435523 is a wasteful number, since it uses less digits than its factorization.

655435523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249156.

The product of its digits is 270000, while the sum is 38.

The square root of 655435523 is about 25601.4750161001. The cubic root of 655435523 is about 868.6470020707.

The spelling of 655435523 in words is "six hundred fifty-five million, four hundred thirty-five thousand, five hundred twenty-three".