521244112 has 10 divisors (see below), whose sum is σ = 1009910498. Its totient is φ = 260622048.

The previous prime is 521244107. The next prime is 521244131. The reversal of 521244112 is 211442125.

It can be written as a sum of positive squares in only one way, i.e., 520934976 + 309136 = 22824^2 + 556^2 .

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, 16288863 + ... + 16288894.

Almost surely, 2^521244112 is an apocalyptic number.

It is an amenable number.

521244112 is a deficient number, since it is larger than the sum of its proper divisors (488666386).

521244112 is a wasteful number, since it uses less digits than its factorization.

521244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32577765 (or 32577759 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 521244112 is about 22830.7711652498. The cubic root of 521244112 is about 804.7859528896.

Adding to 521244112 its reverse (211442125), we get a palindrome (732686237).

The spelling of 521244112 in words is "five hundred twenty-one million, two hundred forty-four thousand, one hundred twelve".