51435031201 has 2 divisors, whose sum is σ = 51435031202. Its totient is φ = 51435031200.

The previous prime is 51435031177. The next prime is 51435031217. The reversal of 51435031201 is 10213053415.

It is a happy number.

51435031201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37713251601 + 13721779600 = 194199^2 + 117140^2 .

It is a cyclic number.

It is not a de Polignac number, because 51435031201 - 2²³ = 51426642593 is a prime.

It is not a weakly prime, because it can be changed into another prime (51435031801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25717515600 + 25717515601.

It is an arithmetic number, because the mean of its divisors is an integer number (25717515601).

Almost surely, 2^51435031201 is an apocalyptic number.

It is an amenable number.

51435031201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51435031201 is an equidigital number, since it uses as much as digits as its factorization.

51435031201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 51435031201 its reverse (10213053415), we get a palindrome (61648084616).

The spelling of 51435031201 in words is "fifty-one billion, four hundred thirty-five million, thirty-one thousand, two hundred one".