655485001 has 2 divisors, whose sum is σ = 655485002. Its totient is φ = 655485000.

The previous prime is 655484959. The next prime is 655485023. The reversal of 655485001 is 100584556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646176400 + 9308601 = 25420^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 655485001 - 2⁷ = 655484873 is a prime.

It is equal to p_34063675 and since 655485001 and 34063675 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (655485071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327742500 + 327742501.

It is an arithmetic number, because the mean of its divisors is an integer number (327742501).

Almost surely, 2^655485001 is an apocalyptic number.

It is an amenable number.

655485001 is a deficient number, since it is larger than the sum of its proper divisors (1).

655485001 is an equidigital number, since it uses as much as digits as its factorization.

655485001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 655485001 is about 25602.4413093752. The cubic root of 655485001 is about 868.6688592092.

The spelling of 655485001 in words is "six hundred fifty-five million, four hundred eighty-five thousand, one".