51463519 has 2 divisors, whose sum is σ = 51463520. Its totient is φ = 51463518.

The previous prime is 51463513. The next prime is 51463537. The reversal of 51463519 is 91536415.

51463519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51463519 - 2¹⁷ = 51332447 is a prime.

It is a super-2 number, since 2×51463519² = 5296987575726722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51463513) 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 as a sum of consecutive naturals, namely, 25731759 + 25731760.

It is an arithmetic number, because the mean of its divisors is an integer number (25731760).

Almost surely, 2^51463519 is an apocalyptic number.

51463519 is a deficient number, since it is larger than the sum of its proper divisors (1).

51463519 is an equidigital number, since it uses as much as digits as its factorization.

51463519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 51463519 is about 7173.8078452102. The cubic root of 51463519 is about 371.9630725089.

The spelling of 51463519 in words is "fifty-one million, four hundred sixty-three thousand, five hundred nineteen".