505504847 has 2 divisors, whose sum is σ = 505504848. Its totient is φ = 505504846.

The previous prime is 505504763. The next prime is 505504889. The reversal of 505504847 is 748405505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505504847 - 2⁸ = 505504591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505504847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505500847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252752423 + 252752424.

It is an arithmetic number, because the mean of its divisors is an integer number (252752424).

Almost surely, 2^505504847 is an apocalyptic number.

505504847 is a deficient number, since it is larger than the sum of its proper divisors (1).

505504847 is an equidigital number, since it uses as much as digits as its factorization.

505504847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 505504847 is about 22483.4349466446. The cubic root of 505504847 is about 796.6027011855.

The spelling of 505504847 in words is "five hundred five million, five hundred four thousand, eight hundred forty-seven".