505203064253 has 16 divisors (see below), whose sum is σ = 547420991040. Its totient is φ = 464376466176.

The previous prime is 505203064243. The next prime is 505203064291. The reversal of 505203064253 is 352460302505.

It is a cyclic number.

It is not a de Polignac number, because 505203064253 - 2⁶ = 505203064189 is a prime.

It is a super-2 number, since 2×505203064253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505203064213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707926 + ... + 7773192.

It is an arithmetic number, because the mean of its divisors is an integer number (34213811940).

Almost surely, 2^505203064253 is an apocalyptic number.

It is an amenable number.

505203064253 is a deficient number, since it is larger than the sum of its proper divisors (42217926787).

505203064253 is a wasteful number, since it uses less digits than its factorization.

505203064253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75916.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 505203064253 its reverse (352460302505), we get a palindrome (857663366758).

The spelling of 505203064253 in words is "five hundred five billion, two hundred three million, sixty-four thousand, two hundred fifty-three".