501213234 has 16 divisors (see below), whose sum is σ = 1003574880. Its totient is φ = 166879680.

The previous prime is 501213199. The next prime is 501213253. The reversal of 501213234 is 432312105.

It is a self number, because there is not a number n which added to its sum of digits gives 501213234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42124 + ... + 52695.

It is an arithmetic number, because the mean of its divisors is an integer number (62723430).

Almost surely, 2^501213234 is an apocalyptic number.

501213234 is an abundant number, since it is smaller than the sum of its proper divisors (502361646).

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

501213234 is a wasteful number, since it uses less digits than its factorization.

501213234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95705.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 501213234 is about 22387.7920751467. The cubic root of 501213234 is about 794.3419704247.

Adding to 501213234 its reverse (432312105), we get a palindrome (933525339).

The spelling of 501213234 in words is "five hundred one million, two hundred thirteen thousand, two hundred thirty-four".