655741243 has 16 divisors (see below), whose sum is σ = 721476000. Its totient is φ = 593574912.

The previous prime is 655741223. The next prime is 655741267. The reversal of 655741243 is 342147556.

It is a cyclic number.

It is not a de Polignac number, because 655741243 - 2⁹ = 655740731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655741223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47313 + ... + 59581.

It is an arithmetic number, because the mean of its divisors is an integer number (45092250).

Almost surely, 2^655741243 is an apocalyptic number.

655741243 is a deficient number, since it is larger than the sum of its proper divisors (65734757).

655741243 is a wasteful number, since it uses less digits than its factorization.

655741243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its digits is 100800, while the sum is 37.

The square root of 655741243 is about 25607.4450697449. The cubic root of 655741243 is about 868.7820377192.

Adding to 655741243 its reverse (342147556), we get a palindrome (997888799).

The spelling of 655741243 in words is "six hundred fifty-five million, seven hundred forty-one thousand, two hundred forty-three".