503213332 has 6 divisors (see below), whose sum is σ = 880623338. Its totient is φ = 251606664.

The previous prime is 503213327. The next prime is 503213353. The reversal of 503213332 is 233312305.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 345811216 + 157402116 = 18596^2 + 12546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62901663 + ... + 62901670.

Almost surely, 2^503213332 is an apocalyptic number.

It is an amenable number.

503213332 is a deficient number, since it is larger than the sum of its proper divisors (377410006).

503213332 is a wasteful number, since it uses less digits than its factorization.

503213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125803337 (or 125803335 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 503213332 is about 22432.4169897049. The cubic root of 503213332 is about 795.3971787515.

Adding to 503213332 its reverse (233312305), we get a palindrome (736525637).

The spelling of 503213332 in words is "five hundred three million, two hundred thirteen thousand, three hundred thirty-two".