51514351201 has 4 divisors (see below), whose sum is σ = 54544607172. Its totient is φ = 48484095232.

The previous prime is 51514351159. The next prime is 51514351237. The reversal of 51514351201 is 10215341515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24281430625 + 27232920576 = 155825^2 + 165024^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514351201 - 2²¹ = 51512254049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51514351201.

It is not an unprimeable number, because it can be changed into a prime (51514351001) 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, 1515127960 + ... + 1515127993.

It is an arithmetic number, because the mean of its divisors is an integer number (13636151793).

Almost surely, 2^51514351201 is an apocalyptic number.

It is an amenable number.

51514351201 is a deficient number, since it is larger than the sum of its proper divisors (3030255971).

51514351201 is a wasteful number, since it uses less digits than its factorization.

51514351201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030255970.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 51514351201 its reverse (10215341515), we get a palindrome (61729692716).

The spelling of 51514351201 in words is "fifty-one billion, five hundred fourteen million, three hundred fifty-one thousand, two hundred one".