503252155 has 16 divisors (see below), whose sum is σ = 691052544. Its totient is φ = 344648160.

The previous prime is 503252147. The next prime is 503252201. The reversal of 503252155 is 551252305.

It is not a de Polignac number, because 503252155 - 2³ = 503252147 is a prime.

It is an unprimeable number.

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, 20070 + ... + 37540.

It is an arithmetic number, because the mean of its divisors is an integer number (43190784).

Almost surely, 2^503252155 is an apocalyptic number.

503252155 is a deficient number, since it is larger than the sum of its proper divisors (187800389).

503252155 is a wasteful number, since it uses less digits than its factorization.

503252155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18306.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 503252155 is about 22433.2823055388. The cubic root of 503252155 is about 795.4176332378.

The spelling of 503252155 in words is "five hundred three million, two hundred fifty-two thousand, one hundred fifty-five".