505308053 has 2 divisors, whose sum is σ = 505308054. Its totient is φ = 505308052.

The previous prime is 505308049. The next prime is 505308071. The reversal of 505308053 is 350803505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368371249 + 136936804 = 19193^2 + 11702^2 .

It is a cyclic number.

It is not a de Polignac number, because 505308053 - 2² = 505308049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505308043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252654026 + 252654027.

It is an arithmetic number, because the mean of its divisors is an integer number (252654027).

Almost surely, 2^505308053 is an apocalyptic number.

It is an amenable number.

505308053 is a deficient number, since it is larger than the sum of its proper divisors (1).

505308053 is an equidigital number, since it uses as much as digits as its factorization.

505308053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 505308053 is about 22479.0580985948. The cubic root of 505308053 is about 796.4993147851.

The spelling of 505308053 in words is "five hundred five million, three hundred eight thousand, fifty-three".