501434253 has 16 divisors (see below), whose sum is σ = 743702400. Its totient is φ = 333912960.

The previous prime is 501434239. The next prime is 501434303. The reversal of 501434253 is 352434105.

It is not a de Polignac number, because 501434253 - 2¹² = 501430157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501434233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15088 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (46481400).

Almost surely, 2^501434253 is an apocalyptic number.

It is an amenable number.

501434253 is a deficient number, since it is larger than the sum of its proper divisors (242268147).

501434253 is a wasteful number, since it uses less digits than its factorization.

501434253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20929 (or 20923 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 501434253 is about 22392.7276811022. The cubic root of 501434253 is about 794.4587130645.

Adding to 501434253 its reverse (352434105), we get a palindrome (853868358).

The spelling of 501434253 in words is "five hundred one million, four hundred thirty-four thousand, two hundred fifty-three".