513244522052 has 6 divisors (see below), whose sum is σ = 898177913598. Its totient is φ = 256622261024.

The previous prime is 513244522033. The next prime is 513244522057. The reversal of 513244522052 is 250225442315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 442044138496 + 71200383556 = 664864^2 + 266834^2 .

It is not an unprimeable number, because it can be changed into a prime (513244522057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64155565253 + ... + 64155565260.

It is an arithmetic number, because the mean of its divisors is an integer number (149696318933).

Almost surely, 2^513244522052 is an apocalyptic number.

It is an amenable number.

513244522052 is a deficient number, since it is larger than the sum of its proper divisors (384933391546).

513244522052 is a wasteful number, since it uses less digits than its factorization.

513244522052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128311130517 (or 128311130515 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 513244522052 its reverse (250225442315), we get a palindrome (763469964367).

The spelling of 513244522052 in words is "five hundred thirteen billion, two hundred forty-four million, five hundred twenty-two thousand, fifty-two".