655465913 has 2 divisors, whose sum is σ = 655465914. Its totient is φ = 655465912.

The previous prime is 655465883. The next prime is 655465961. The reversal of 655465913 is 319564556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531210304 + 124255609 = 23048^2 + 11147^2 .

It is a cyclic number.

It is not a de Polignac number, because 655465913 - 2⁶ = 655465849 is a prime.

It is not a weakly prime, because it can be changed into another prime (655465973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327732956 + 327732957.

It is an arithmetic number, because the mean of its divisors is an integer number (327732957).

Almost surely, 2^655465913 is an apocalyptic number.

It is an amenable number.

655465913 is a deficient number, since it is larger than the sum of its proper divisors (1).

655465913 is an equidigital number, since it uses as much as digits as its factorization.

655465913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 44.

The square root of 655465913 is about 25602.0685297106. The cubic root of 655465913 is about 868.6604271260.

The spelling of 655465913 in words is "six hundred fifty-five million, four hundred sixty-five thousand, nine hundred thirteen".