51002512007 has 2 divisors, whose sum is σ = 51002512008. Its totient is φ = 51002512006.

The previous prime is 51002511929. The next prime is 51002512087. The reversal of 51002512007 is 70021520015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51002512007 - 2³⁴ = 33822642823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51002512087) 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, 25501256003 + 25501256004.

It is an arithmetic number, because the mean of its divisors is an integer number (25501256004).

Almost surely, 2^51002512007 is an apocalyptic number.

51002512007 is a deficient number, since it is larger than the sum of its proper divisors (1).

51002512007 is an equidigital number, since it uses as much as digits as its factorization.

51002512007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The spelling of 51002512007 in words is "fifty-one billion, two million, five hundred twelve thousand, seven".