655417043 has 2 divisors, whose sum is σ = 655417044. Its totient is φ = 655417042.

The previous prime is 655417019. The next prime is 655417057. The reversal of 655417043 is 340714556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655417043 - 2²⁰ = 654368467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655416994 and 655417012.

It is not a weakly prime, because it can be changed into another prime (655417003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327708521 + 327708522.

It is an arithmetic number, because the mean of its divisors is an integer number (327708522).

Almost surely, 2^655417043 is an apocalyptic number.

655417043 is a deficient number, since it is larger than the sum of its proper divisors (1).

655417043 is an equidigital number, since it uses as much as digits as its factorization.

655417043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 655417043 is about 25601.1140968513. The cubic root of 655417043 is about 868.6388381619.

The spelling of 655417043 in words is "six hundred fifty-five million, four hundred seventeen thousand, forty-three".