51013427 has 8 divisors (see below), whose sum is σ = 51648192. Its totient is φ = 50381800.

The previous prime is 51013409. The next prime is 51013439. The reversal of 51013427 is 72431015.

51013427 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 51013427 - 2¹⁶ = 50947891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51015427) 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, 52052 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (6456024).

Almost surely, 2^51013427 is an apocalyptic number.

51013427 is a deficient number, since it is larger than the sum of its proper divisors (634765).

51013427 is a wasteful number, since it uses less digits than its factorization.

51013427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 51013427 is about 7142.3684447108. The cubic root of 51013427 is about 370.8755185720.

The spelling of 51013427 in words is "fifty-one million, thirteen thousand, four hundred twenty-seven".