505352117 has 2 divisors, whose sum is σ = 505352118. Its totient is φ = 505352116.

The previous prime is 505352059. The next prime is 505352137. The reversal of 505352117 is 711253505.

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., 505080676 + 271441 = 22474^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 505352117 - 2⁶ = 505352053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505352117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505352137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252676058 + 252676059.

It is an arithmetic number, because the mean of its divisors is an integer number (252676059).

Almost surely, 2^505352117 is an apocalyptic number.

It is an amenable number.

505352117 is a deficient number, since it is larger than the sum of its proper divisors (1).

505352117 is an equidigital number, since it uses as much as digits as its factorization.

505352117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 505352117 is about 22480.0381894693. The cubic root of 505352117 is about 796.5224662901.

The spelling of 505352117 in words is "five hundred five million, three hundred fifty-two thousand, one hundred seventeen".