505227854 has 4 divisors (see below), whose sum is σ = 757841784. Its totient is φ = 252613926.

The previous prime is 505227851. The next prime is 505227881. The reversal of 505227854 is 458722505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458722505 = 5 ⋅91744501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505227851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126306962 + ... + 126306965.

It is an arithmetic number, because the mean of its divisors is an integer number (189460446).

Almost surely, 2^505227854 is an apocalyptic number.

505227854 is a deficient number, since it is larger than the sum of its proper divisors (252613930).

505227854 is a wasteful number, since it uses less digits than its factorization.

505227854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252613929.

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

The square root of 505227854 is about 22477.2741674786. The cubic root of 505227854 is about 796.4571742678.

The spelling of 505227854 in words is "five hundred five million, two hundred twenty-seven thousand, eight hundred fifty-four".