51204833297 has 2 divisors, whose sum is σ = 51204833298. Its totient is φ = 51204833296.

The previous prime is 51204833249. The next prime is 51204833359. The reversal of 51204833297 is 79233840215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26176327681 + 25028505616 = 161791^2 + 158204^2 .

It is a cyclic number.

It is not a de Polignac number, because 51204833297 - 2²⁴ = 51188056081 is a prime.

It is not a weakly prime, because it can be changed into another prime (51204833227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25602416648 + 25602416649.

It is an arithmetic number, because the mean of its divisors is an integer number (25602416649).

Almost surely, 2^51204833297 is an apocalyptic number.

It is an amenable number.

51204833297 is a deficient number, since it is larger than the sum of its proper divisors (1).

51204833297 is an equidigital number, since it uses as much as digits as its factorization.

51204833297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 51204833297 in words is "fifty-one billion, two hundred four million, eight hundred thirty-three thousand, two hundred ninety-seven".