1564315212 has 24 divisors (see below), whose sum is σ = 3669184512. Its totient is φ = 518707600.

The previous prime is 1564315199. The next prime is 1564315213. The reversal of 1564315212 is 2125134651.

It is a self number, because there is not a number n which added to its sum of digits gives 1564315212.

It is not an unprimeable number, because it can be changed into a prime (1564315213) by changing a digit.

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, 338964 + ... + 343547.

It is an arithmetic number, because the mean of its divisors is an integer number (152882688).

Almost surely, 2^1564315212 is an apocalyptic number.

1564315212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1564315212 is an abundant number, since it is smaller than the sum of its proper divisors (2104869300).

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

1564315212 is a wasteful number, since it uses less digits than its factorization.

1564315212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682709 (or 682707 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1564315212 is about 39551.4249047996. The cubic root of 1564315212 is about 1160.8463927836.

Adding to 1564315212 its reverse (2125134651), we get a palindrome (3689449863).

The spelling of 1564315212 in words is "one billion, five hundred sixty-four million, three hundred fifteen thousand, two hundred twelve".