503213136 has 40 divisors (see below), whose sum is σ = 1356490560. Its totient is φ = 160444416.

The previous prime is 503213099. The next prime is 503213153. The reversal of 503213136 is 631312305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 226801 + ... + 229008.

It is an arithmetic number, because the mean of its divisors is an integer number (33912264).

Almost surely, 2^503213136 is an apocalyptic number.

It is an amenable number.

503213136 is an abundant number, since it is smaller than the sum of its proper divisors (853277424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503213136 is a wasteful number, since it uses less digits than its factorization.

503213136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455843 (or 455837 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 503213136 is about 22432.4126210267. The cubic root of 503213136 is about 795.3970754833.

The spelling of 503213136 in words is "five hundred three million, two hundred thirteen thousand, one hundred thirty-six".