51030402041 has 2 divisors, whose sum is σ = 51030402042. Its totient is φ = 51030402040.

The previous prime is 51030402037. The next prime is 51030402067. The reversal of 51030402041 is 14020403015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43232805625 + 7797596416 = 207925^2 + 88304^2 .

It is a cyclic number.

It is not a de Polignac number, because 51030402041 - 2² = 51030402037 is a prime.

It is not a weakly prime, because it can be changed into another prime (51030402011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25515201020 + 25515201021.

It is an arithmetic number, because the mean of its divisors is an integer number (25515201021).

Almost surely, 2^51030402041 is an apocalyptic number.

It is an amenable number.

51030402041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51030402041 is an equidigital number, since it uses as much as digits as its factorization.

51030402041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 51030402041 its reverse (14020403015), we get a palindrome (65050805056).

The spelling of 51030402041 in words is "fifty-one billion, thirty million, four hundred two thousand, forty-one".