505220435 has 4 divisors (see below), whose sum is σ = 606264528. Its totient is φ = 404176344.

The previous prime is 505220411. The next prime is 505220477. The reversal of 505220435 is 534022505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534022505 = 5 ⋅106804501.

It is a cyclic number.

It is not a de Polignac number, because 505220435 - 2¹⁶ = 505154899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50522039 + ... + 50522048.

It is an arithmetic number, because the mean of its divisors is an integer number (151566132).

Almost surely, 2^505220435 is an apocalyptic number.

505220435 is a deficient number, since it is larger than the sum of its proper divisors (101044093).

505220435 is a wasteful number, since it uses less digits than its factorization.

505220435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101044092.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 505220435 is about 22477.1091335163. The cubic root of 505220435 is about 796.4532757333.

The spelling of 505220435 in words is "five hundred five million, two hundred twenty thousand, four hundred thirty-five".