51342359 has 2 divisors, whose sum is σ = 51342360. Its totient is φ = 51342358.

The previous prime is 51342323. The next prime is 51342407. The reversal of 51342359 is 95324315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51342359 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 (51342059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671179 + 25671180.

It is an arithmetic number, because the mean of its divisors is an integer number (25671180).

Almost surely, 2^51342359 is an apocalyptic number.

51342359 is a deficient number, since it is larger than the sum of its proper divisors (1).

51342359 is an equidigital number, since it uses as much as digits as its factorization.

51342359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 51342359 is about 7165.3582604082. The cubic root of 51342359 is about 371.6709402696.

The spelling of 51342359 in words is "fifty-one million, three hundred forty-two thousand, three hundred fifty-nine".