51034831 has 2 divisors, whose sum is σ = 51034832. Its totient is φ = 51034830.

The previous prime is 51034807. The next prime is 51034843. The reversal of 51034831 is 13843015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51034831 - 2¹⁹ = 50510543 is a prime.

It is a super-2 number, since 2×51034831² = 5209107950397122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51034796 and 51034805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51034801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25517415 + 25517416.

It is an arithmetic number, because the mean of its divisors is an integer number (25517416).

Almost surely, 2^51034831 is an apocalyptic number.

51034831 is a deficient number, since it is larger than the sum of its proper divisors (1).

51034831 is an equidigital number, since it uses as much as digits as its factorization.

51034831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51034831 is about 7143.8666700884. The cubic root of 51034831 is about 370.9273814513.

Adding to 51034831 its reverse (13843015), we get a palindrome (64877846).

The spelling of 51034831 in words is "fifty-one million, thirty-four thousand, eight hundred thirty-one".