51039343 has 2 divisors, whose sum is σ = 51039344. Its totient is φ = 51039342.

The previous prime is 51039341. The next prime is 51039347. The reversal of 51039343 is 34393015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51039343 - 2¹ = 51039341 is a prime.

Together with 51039341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51039341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25519671 + 25519672.

It is an arithmetic number, because the mean of its divisors is an integer number (25519672).

Almost surely, 2^51039343 is an apocalyptic number.

51039343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51039343 is an equidigital number, since it uses as much as digits as its factorization.

51039343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 51039343 is about 7144.1824584763. The cubic root of 51039343 is about 370.9383123848.

The spelling of 51039343 in words is "fifty-one million, thirty-nine thousand, three hundred forty-three".