51373841 has 2 divisors, whose sum is σ = 51373842. Its totient is φ = 51373840.

The previous prime is 51373831. The next prime is 51373849. The reversal of 51373841 is 14837315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 108241 = 7160^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 51373841 - 2¹⁰ = 51372817 is a prime.

It is a Chen prime.

It is equal to p_3078518 and since 51373841 and 3078518 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 51373798 and 51373807.

It is not a weakly prime, because it can be changed into another prime (51373849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25686920 + 25686921.

It is an arithmetic number, because the mean of its divisors is an integer number (25686921).

Almost surely, 2^51373841 is an apocalyptic number.

It is an amenable number.

51373841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51373841 is an equidigital number, since it uses as much as digits as its factorization.

51373841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 51373841 is about 7167.5547434254. The cubic root of 51373841 is about 371.7468915504.

The spelling of 51373841 in words is "fifty-one million, three hundred seventy-three thousand, eight hundred forty-one".