51202343 has 2 divisors, whose sum is σ = 51202344. Its totient is φ = 51202342.

The previous prime is 51202331. The next prime is 51202357. The reversal of 51202343 is 34320215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51202343 - 2⁸ = 51202087 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 (51202303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25601171 + 25601172.

It is an arithmetic number, because the mean of its divisors is an integer number (25601172).

Almost surely, 2^51202343 is an apocalyptic number.

51202343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51202343 is an equidigital number, since it uses as much as digits as its factorization.

51202343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 51202343 is about 7155.5812482285. The cubic root of 51202343 is about 371.3327707915.

Adding to 51202343 its reverse (34320215), we get a palindrome (85522558).

The spelling of 51202343 in words is "fifty-one million, two hundred two thousand, three hundred forty-three".