505050253 has 4 divisors (see below), whose sum is σ = 506774268. Its totient is φ = 503326240.

The previous prime is 505050199. The next prime is 505050289. The reversal of 505050253 is 352050505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352050505 = 5 ⋅70410101.

It can be written as a sum of positive squares in 2 ways, for example, as 431725284 + 73324969 = 20778^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 505050253 - 2¹³ = 505042061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861568 + ... + 862153.

It is an arithmetic number, because the mean of its divisors is an integer number (126693567).

Almost surely, 2^505050253 is an apocalyptic number.

It is an amenable number.

505050253 is a deficient number, since it is larger than the sum of its proper divisors (1724015).

505050253 is a wasteful number, since it uses less digits than its factorization.

505050253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724014.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 505050253 is about 22473.3231410043. The cubic root of 505050253 is about 796.3638380517.

The spelling of 505050253 in words is "five hundred five million, fifty thousand, two hundred fifty-three".