505303253 has 32 divisors (see below), whose sum is σ = 635040000. Its totient is φ = 391458816.

The previous prime is 505303243. The next prime is 505303283. The reversal of 505303253 is 352303505.

It is not a de Polignac number, because 505303253 - 2⁸ = 505302997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505303243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125173 + ... + 1125621.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^505303253 is an apocalyptic number.

It is an amenable number.

505303253 is a deficient number, since it is larger than the sum of its proper divisors (129736747).

505303253 is a wasteful number, since it uses less digits than its factorization.

505303253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 505303253 is about 22478.9513323020. The cubic root of 505303253 is about 796.4967927534.

Adding to 505303253 its reverse (352303505), we get a palindrome (857606758).

The spelling of 505303253 in words is "five hundred five million, three hundred three thousand, two hundred fifty-three".