51298873 has 2 divisors, whose sum is σ = 51298874. Its totient is φ = 51298872.

The previous prime is 51298867. The next prime is 51298921. The reversal of 51298873 is 37889215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 3523129 = 6912^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 51298873 - 2²¹ = 49201721 is a prime.

It is not a weakly prime, because it can be changed into another prime (51298813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25649436 + 25649437.

It is an arithmetic number, because the mean of its divisors is an integer number (25649437).

Almost surely, 2^51298873 is an apocalyptic number.

It is an amenable number.

51298873 is a deficient number, since it is larger than the sum of its proper divisors (1).

51298873 is an equidigital number, since it uses as much as digits as its factorization.

51298873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 51298873 is about 7162.3231566301. The cubic root of 51298873 is about 371.5659778950.

The spelling of 51298873 in words is "fifty-one million, two hundred ninety-eight thousand, eight hundred seventy-three".