655706147 has 2 divisors, whose sum is σ = 655706148. Its totient is φ = 655706146.

The previous prime is 655706123. The next prime is 655706159. The reversal of 655706147 is 741607556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655706147 - 2¹⁴ = 655689763 is a prime.

It is not a weakly prime, because it can be changed into another prime (655706197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327853073 + 327853074.

It is an arithmetic number, because the mean of its divisors is an integer number (327853074).

Almost surely, 2^655706147 is an apocalyptic number.

655706147 is a deficient number, since it is larger than the sum of its proper divisors (1).

655706147 is an equidigital number, since it uses as much as digits as its factorization.

655706147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 655706147 is about 25606.7597911177. The cubic root of 655706147 is about 868.7665380493.

It can be divided in two parts, 65570 and 6147, that added together give a palindrome (71717).

The spelling of 655706147 in words is "six hundred fifty-five million, seven hundred six thousand, one hundred forty-seven".