513525052450 has 48 divisors (see below), whose sum is σ = 962901227520. Its totient is φ = 203745265920.

The previous prime is 513525052433. The next prime is 513525052451. The reversal of 513525052450 is 54250525315.

It is not an unprimeable number, because it can be changed into a prime (513525052451) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42367491 + ... + 42379609.

It is an arithmetic number, because the mean of its divisors is an integer number (20060442240).

Almost surely, 2^513525052450 is an apocalyptic number.

513525052450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513525052450 is a deficient number, since it is larger than the sum of its proper divisors (449376175070).

513525052450 is a wasteful number, since it uses less digits than its factorization.

513525052450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931 (or 18926 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

Adding to 513525052450 its reverse (54250525315), we get a palindrome (567775577765).

The spelling of 513525052450 in words is "five hundred thirteen billion, five hundred twenty-five million, fifty-two thousand, four hundred fifty".