495801601 has 2 divisors, whose sum is σ = 495801602. Its totient is φ = 495801600.

The previous prime is 495801587. The next prime is 495801611. The reversal of 495801601 is 106108594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317552400 + 178249201 = 17820^2 + 13351^2 .

It is a cyclic number.

It is not a de Polignac number, because 495801601 - 2¹³ = 495793409 is a prime.

It is equal to p_26146195 and since 495801601 and 26146195 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 (495801611) 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, 247900800 + 247900801.

It is an arithmetic number, because the mean of its divisors is an integer number (247900801).

Almost surely, 2^495801601 is an apocalyptic number.

It is an amenable number.

495801601 is a deficient number, since it is larger than the sum of its proper divisors (1).

495801601 is an equidigital number, since it uses as much as digits as its factorization.

495801601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 495801601 is about 22266.6028167747. The cubic root of 495801601 is about 791.4727646163.

The spelling of 495801601 in words is "four hundred ninety-five million, eight hundred one thousand, six hundred one".