505152847 has 2 divisors, whose sum is σ = 505152848. Its totient is φ = 505152846.

The previous prime is 505152793. The next prime is 505152853. The reversal of 505152847 is 748251505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505152847 - 2²³ = 496764239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505152647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252576423 + 252576424.

It is an arithmetic number, because the mean of its divisors is an integer number (252576424).

Almost surely, 2^505152847 is an apocalyptic number.

505152847 is a deficient number, since it is larger than the sum of its proper divisors (1).

505152847 is an equidigital number, since it uses as much as digits as its factorization.

505152847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 505152847 is about 22475.6055980701. The cubic root of 505152847 is about 796.4177578478.

The spelling of 505152847 in words is "five hundred five million, one hundred fifty-two thousand, eight hundred forty-seven".