502778253 has 16 divisors (see below), whose sum is σ = 675601920. Its totient is φ = 332580864.

The previous prime is 502778239. The next prime is 502778261. The reversal of 502778253 is 352877205.

It is not a de Polignac number, because 502778253 - 2¹⁷ = 502647181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502778273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235093 + ... + 237221.

It is an arithmetic number, because the mean of its divisors is an integer number (42225120).

Almost surely, 2^502778253 is an apocalyptic number.

It is an amenable number.

502778253 is a deficient number, since it is larger than the sum of its proper divisors (172823667).

502778253 is a wasteful number, since it uses less digits than its factorization.

502778253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 502778253 is about 22422.7173420172. The cubic root of 502778253 is about 795.1678787907.

The spelling of 502778253 in words is "five hundred two million, seven hundred seventy-eight thousand, two hundred fifty-three".