51256411 has 8 divisors (see below), whose sum is σ = 54434160. Its totient is φ = 48096768.

The previous prime is 51256399. The next prime is 51256417. The reversal of 51256411 is 11465215.

It is a happy number.

51256411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51256411 - 2⁵ = 51256379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51256417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (6804270).

Almost surely, 2^51256411 is an apocalyptic number.

51256411 is a deficient number, since it is larger than the sum of its proper divisors (3177749).

51256411 is a wasteful number, since it uses less digits than its factorization.

51256411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053.

The product of its digits is 1200, while the sum is 25.

The square root of 51256411 is about 7159.3582812987. The cubic root of 51256411 is about 371.4634298998.

The spelling of 51256411 in words is "fifty-one million, two hundred fifty-six thousand, four hundred eleven".