51023429 has 2 divisors, whose sum is σ = 51023430. Its totient is φ = 51023428.

The previous prime is 51023363. The next prime is 51023447. The reversal of 51023429 is 92432015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47582404 + 3441025 = 6898^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 51023429 - 2¹² = 51019333 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51023398 and 51023407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51023449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511714 + 25511715.

It is an arithmetic number, because the mean of its divisors is an integer number (25511715).

Almost surely, 2^51023429 is an apocalyptic number.

It is an amenable number.

51023429 is a deficient number, since it is larger than the sum of its proper divisors (1).

51023429 is an equidigital number, since it uses as much as digits as its factorization.

51023429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51023429 is about 7143.0685982986. The cubic root of 51023429 is about 370.8997556846.

The spelling of 51023429 in words is "fifty-one million, twenty-three thousand, four hundred twenty-nine".