505296653 has 2 divisors, whose sum is σ = 505296654. Its totient is φ = 505296652.

The previous prime is 505296629. The next prime is 505296677. The reversal of 505296653 is 356692505.

It is a balanced prime because it is at equal distance from previous prime (505296629) and next prime (505296677).

It can be written as a sum of positive squares in only one way, i.e., 445125604 + 60171049 = 21098^2 + 7757^2 .

It is a cyclic number.

It is not a de Polignac number, because 505296653 - 2¹⁶ = 505231117 is a prime.

It is equal to p_26619674 and since 505296653 and 26619674 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505296653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505296353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252648326 + 252648327.

It is an arithmetic number, because the mean of its divisors is an integer number (252648327).

Almost surely, 2^505296653 is an apocalyptic number.

It is an amenable number.

505296653 is a deficient number, since it is larger than the sum of its proper divisors (1).

505296653 is an equidigital number, since it uses as much as digits as its factorization.

505296653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 505296653 is about 22478.8045278213. The cubic root of 505296653 is about 796.4933249337.

The spelling of 505296653 in words is "five hundred five million, two hundred ninety-six thousand, six hundred fifty-three".