51834427 has 2 divisors, whose sum is σ = 51834428. Its totient is φ = 51834426.

The previous prime is 51834421. The next prime is 51834437. The reversal of 51834427 is 72443815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51834427 - 2¹¹ = 51832379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51834392 and 51834401.

It is not a weakly prime, because it can be changed into another prime (51834421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25917213 + 25917214.

It is an arithmetic number, because the mean of its divisors is an integer number (25917214).

Almost surely, 2^51834427 is an apocalyptic number.

51834427 is a deficient number, since it is larger than the sum of its proper divisors (1).

51834427 is an equidigital number, since it uses as much as digits as its factorization.

51834427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 51834427 is about 7199.6129757092. The cubic root of 51834427 is about 372.8545386563.

The spelling of 51834427 in words is "fifty-one million, eight hundred thirty-four thousand, four hundred twenty-seven".