5251310350613 has 4 divisors (see below), whose sum is σ = 5479628191968. Its totient is φ = 5022992509260.

The previous prime is 5251310350597. The next prime is 5251310350631. The reversal of 5251310350613 is 3160530131525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5251310350613 - 2⁴ = 5251310350597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251310350633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114158920643 + ... + 114158920688.

It is an arithmetic number, because the mean of its divisors is an integer number (1369907047992).

Almost surely, 2^{5251310350613} is an apocalyptic number.

It is an amenable number.

5251310350613 is a deficient number, since it is larger than the sum of its proper divisors (228317841355).

5251310350613 is a wasteful number, since it uses less digits than its factorization.

5251310350613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228317841354.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 5251310350613 in words is "five trillion, two hundred fifty-one billion, three hundred ten million, three hundred fifty thousand, six hundred thirteen".