51000252014 has 4 divisors (see below), whose sum is σ = 76500378024. Its totient is φ = 25500126006.

The previous prime is 51000252001. The next prime is 51000252019. The reversal of 51000252014 is 41025200015.

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

It is a super-2 number, since 2×51000252014² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000252019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750063002 + ... + 12750063005.

It is an arithmetic number, because the mean of its divisors is an integer number (19125094506).

Almost surely, 2^51000252014 is an apocalyptic number.

51000252014 is a deficient number, since it is larger than the sum of its proper divisors (25500126010).

51000252014 is a wasteful number, since it uses less digits than its factorization.

51000252014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500126009.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 51000252014 its reverse (41025200015), we get a palindrome (92025452029).

The spelling of 51000252014 in words is "fifty-one billion, two hundred fifty-two thousand, fourteen".