51530231741 has 2 divisors, whose sum is σ = 51530231742. Its totient is φ = 51530231740.

The previous prime is 51530231729. The next prime is 51530231773. The reversal of 51530231741 is 14713203515.

It is an a-pointer prime, because the next prime (51530231773) can be obtained adding 51530231741 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51508572025 + 21659716 = 226955^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 51530231741 - 2⁶ = 51530231677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51530231698 and 51530231707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51530234741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25765115870 + 25765115871.

It is an arithmetic number, because the mean of its divisors is an integer number (25765115871).

Almost surely, 2^51530231741 is an apocalyptic number.

It is an amenable number.

51530231741 is a deficient number, since it is larger than the sum of its proper divisors (1).

51530231741 is an equidigital number, since it uses as much as digits as its factorization.

51530231741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 51530231741 in words is "fifty-one billion, five hundred thirty million, two hundred thirty-one thousand, seven hundred forty-one".