605135501 has 2 divisors, whose sum is σ = 605135502. Its totient is φ = 605135500.

The previous prime is 605135473. The next prime is 605135507. The reversal of 605135501 is 105531506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469762276 + 135373225 = 21674^2 + 11635^2 .

It is a cyclic number.

It is not a de Polignac number, because 605135501 - 2⁶ = 605135437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605135507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302567750 + 302567751.

It is an arithmetic number, because the mean of its divisors is an integer number (302567751).

Almost surely, 2^605135501 is an apocalyptic number.

It is an amenable number.

605135501 is a deficient number, since it is larger than the sum of its proper divisors (1).

605135501 is an equidigital number, since it uses as much as digits as its factorization.

605135501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 605135501 is about 24599.5020478058. The cubic root of 605135501 is about 845.8321930005.

The spelling of 605135501 in words is "six hundred five million, one hundred thirty-five thousand, five hundred one".