513546116254 has 4 divisors (see below), whose sum is σ = 770319174384. Its totient is φ = 256773058126.

The previous prime is 513546116233. The next prime is 513546116263. The reversal of 513546116254 is 452611645315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452611645315 = 5 ⋅90522329063.

It is a super-2 number, since 2×513546116254² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513546116254.

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, 128386529062 + ... + 128386529065.

It is an arithmetic number, because the mean of its divisors is an integer number (192579793596).

Almost surely, 2^513546116254 is an apocalyptic number.

513546116254 is a deficient number, since it is larger than the sum of its proper divisors (256773058130).

513546116254 is a wasteful number, since it uses less digits than its factorization.

513546116254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256773058129.

The product of its digits is 432000, while the sum is 43.

The spelling of 513546116254 in words is "five hundred thirteen billion, five hundred forty-six million, one hundred sixteen thousand, two hundred fifty-four".