505239463 has 2 divisors, whose sum is σ = 505239464. Its totient is φ = 505239462.

The previous prime is 505239419. The next prime is 505239487. The reversal of 505239463 is 364932505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505239463 - 2²⁵ = 471685031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505239263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252619731 + 252619732.

It is an arithmetic number, because the mean of its divisors is an integer number (252619732).

Almost surely, 2^505239463 is an apocalyptic number.

505239463 is a deficient number, since it is larger than the sum of its proper divisors (1).

505239463 is an equidigital number, since it uses as much as digits as its factorization.

505239463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 505239463 is about 22477.5324046035. The cubic root of 505239463 is about 796.4632744860.

The spelling of 505239463 in words is "five hundred five million, two hundred thirty-nine thousand, four hundred sixty-three".