51541352501 has 2 divisors, whose sum is σ = 51541352502. Its totient is φ = 51541352500.

The previous prime is 51541352461. The next prime is 51541352503. The reversal of 51541352501 is 10525314515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31892602225 + 19648750276 = 178585^2 + 140174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51541352501 is a prime.

It is a super-2 number, since 2×51541352501² (a number of 22 digits) contains 22 as substring.

Together with 51541352503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51541352503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25770676250 + 25770676251.

It is an arithmetic number, because the mean of its divisors is an integer number (25770676251).

Almost surely, 2^51541352501 is an apocalyptic number.

It is an amenable number.

51541352501 is a deficient number, since it is larger than the sum of its proper divisors (1).

51541352501 is an equidigital number, since it uses as much as digits as its factorization.

51541352501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 51541352501 in words is "fifty-one billion, five hundred forty-one million, three hundred fifty-two thousand, five hundred one".