655614913 has 2 divisors, whose sum is σ = 655614914. Its totient is φ = 655614912.

The previous prime is 655614901. The next prime is 655614941. The reversal of 655614913 is 319416556.

It is a happy number.

655614913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462766144 + 192848769 = 21512^2 + 13887^2 .

It is a cyclic number.

It is not a de Polignac number, because 655614913 - 2⁵ = 655614881 is a prime.

It is not a weakly prime, because it can be changed into another prime (655614013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327807456 + 327807457.

It is an arithmetic number, because the mean of its divisors is an integer number (327807457).

Almost surely, 2^655614913 is an apocalyptic number.

It is an amenable number.

655614913 is a deficient number, since it is larger than the sum of its proper divisors (1).

655614913 is an equidigital number, since it uses as much as digits as its factorization.

655614913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 655614913 is about 25604.9782854819. The cubic root of 655614913 is about 868.7262432094.

The spelling of 655614913 in words is "six hundred fifty-five million, six hundred fourteen thousand, nine hundred thirteen".