655847473 has 2 divisors, whose sum is σ = 655847474. Its totient is φ = 655847472.

The previous prime is 655847449. The next prime is 655847503. The reversal of 655847473 is 374748556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466041744 + 189805729 = 21588^2 + 13777^2 .

It is a cyclic number.

It is not a de Polignac number, because 655847473 - 2¹³ = 655839281 is a prime.

It is not a weakly prime, because it can be changed into another prime (655847273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327923736 + 327923737.

It is an arithmetic number, because the mean of its divisors is an integer number (327923737).

Almost surely, 2^655847473 is an apocalyptic number.

It is an amenable number.

655847473 is a deficient number, since it is larger than the sum of its proper divisors (1).

655847473 is an equidigital number, since it uses as much as digits as its factorization.

655847473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 49.

The square root of 655847473 is about 25609.5191872085. The cubic root of 655847473 is about 868.8289493801.

The spelling of 655847473 in words is "six hundred fifty-five million, eight hundred forty-seven thousand, four hundred seventy-three".