51019343 has 2 divisors, whose sum is σ = 51019344. Its totient is φ = 51019342.

The previous prime is 51019333. The next prime is 51019349. The reversal of 51019343 is 34391015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51019343 - 2⁴ = 51019327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51019349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25509671 + 25509672.

It is an arithmetic number, because the mean of its divisors is an integer number (25509672).

Almost surely, 2^51019343 is an apocalyptic number.

51019343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51019343 is an equidigital number, since it uses as much as digits as its factorization.

51019343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 51019343 is about 7142.7825810394. The cubic root of 51019343 is about 370.8898547634.

The spelling of 51019343 in words is "fifty-one million, nineteen thousand, three hundred forty-three".