1500213218 has 16 divisors (see below), whose sum is σ = 2607025920. Its totient is φ = 634140576.

The previous prime is 1500213149. The next prime is 1500213223. The reversal of 1500213218 is 8123120051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1500213193 and 1500213202.

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 7 ways as a sum of consecutive naturals, for example, 732938 + ... + 734981.

It is an arithmetic number, because the mean of its divisors is an integer number (162939120).

Almost surely, 2^1500213218 is an apocalyptic number.

1500213218 is a deficient number, since it is larger than the sum of its proper divisors (1106812702).

1500213218 is a wasteful number, since it uses less digits than its factorization.

1500213218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468001.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1500213218 is about 38732.5859968064. The cubic root of 1500213218 is about 1144.7684785795.

Adding to 1500213218 its reverse (8123120051), we get a palindrome (9623333269).

The spelling of 1500213218 in words is "one billion, five hundred million, two hundred thirteen thousand, two hundred eighteen".