51479 has 2 divisors, whose sum is σ = 51480. Its totient is φ = 51478.

The previous prime is 51473. The next prime is 51481. The reversal of 51479 is 97415.

51479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51479 is a prime.

Together with 51481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51479.

It is not a weakly prime, because it can be changed into another prime (51473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25739 + 25740.

It is an arithmetic number, because the mean of its divisors is an integer number (25740).

2⁵¹⁴⁷⁹ is an apocalyptic number.

51479 is a deficient number, since it is larger than the sum of its proper divisors (1).

51479 is an equidigital number, since it uses as much as digits as its factorization.

51479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 51479 is about 226.8898411124. The cubic root of 51479 is about 37.2000366131.

The spelling of 51479 in words is "fifty-one thousand, four hundred seventy-nine".