513511251525213 has 8 divisors (see below), whose sum is σ = 684692445742368. Its totient is φ = 342335445829104.

The previous prime is 513511251525203. The next prime is 513511251525221. The reversal of 513511251525213 is 312525152115315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513511251525213 - 2¹⁰ = 513511251524189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513511251525203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346907895 + ... + 1347289092.

It is an arithmetic number, because the mean of its divisors is an integer number (85586555717796).

Almost surely, 2^{513511251525213} is an apocalyptic number.

It is an amenable number.

513511251525213 is a deficient number, since it is larger than the sum of its proper divisors (171181194217155).

513511251525213 is a wasteful number, since it uses less digits than its factorization.

513511251525213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694260523.

The product of its digits is 225000, while the sum is 42.

The spelling of 513511251525213 in words is "five hundred thirteen trillion, five hundred eleven billion, two hundred fifty-one million, five hundred twenty-five thousand, two hundred thirteen".