51437963 has 2 divisors, whose sum is σ = 51437964. Its totient is φ = 51437962.

The previous prime is 51437957. The next prime is 51437989. The reversal of 51437963 is 36973415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51437963 - 2⁶ = 51437899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51437993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25718981 + 25718982.

It is an arithmetic number, because the mean of its divisors is an integer number (25718982).

Almost surely, 2^51437963 is an apocalyptic number.

51437963 is a deficient number, since it is larger than the sum of its proper divisors (1).

51437963 is an equidigital number, since it uses as much as digits as its factorization.

51437963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 51437963 is about 7172.0264221488. The cubic root of 51437963 is about 371.9014919149.

The spelling of 51437963 in words is "fifty-one million, four hundred thirty-seven thousand, nine hundred sixty-three".