655265536 has 18 divisors (see below), whose sum is σ = 1307971952. Its totient is φ = 327632640.

The previous prime is 655265531. The next prime is 655265543. The reversal of 655265536 is 635562556.

It is a super-4 number, since 4×655265536⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655265492 and 655265501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655265531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279560 + ... + 1280071.

Almost surely, 2^655265536 is an apocalyptic number.

It is an amenable number.

655265536 is a deficient number, since it is larger than the sum of its proper divisors (652706416).

655265536 is an equidigital number, since it uses as much as digits as its factorization.

655265536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559647 (or 2559633 counting only the distinct ones).

The product of its digits is 810000, while the sum is 43.

The square root of 655265536 is about 25598.1549335103. The cubic root of 655265536 is about 868.5719011342.

The spelling of 655265536 in words is "six hundred fifty-five million, two hundred sixty-five thousand, five hundred thirty-six".