51519359 has 2 divisors, whose sum is σ = 51519360. Its totient is φ = 51519358.

The previous prime is 51519343. The next prime is 51519371. The reversal of 51519359 is 95391515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51519359 - 2⁴ = 51519343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51519389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25759679 + 25759680.

It is an arithmetic number, because the mean of its divisors is an integer number (25759680).

Almost surely, 2^51519359 is an apocalyptic number.

51519359 is a deficient number, since it is larger than the sum of its proper divisors (1).

51519359 is an equidigital number, since it uses as much as digits as its factorization.

51519359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30375, while the sum is 38.

The square root of 51519359 is about 7177.6987259149. The cubic root of 51519359 is about 372.0975555411.

The spelling of 51519359 in words is "fifty-one million, five hundred nineteen thousand, three hundred fifty-nine".