51437119 has 2 divisors, whose sum is σ = 51437120. Its totient is φ = 51437118.

The previous prime is 51437117. The next prime is 51437149. The reversal of 51437119 is 91173415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51437119 - 2¹ = 51437117 is a prime.

It is a super-2 number, since 2×51437119² = 5291554422040322, which contains 22 as substring.

Together with 51437117, 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 (51437117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25718559 + 25718560.

It is an arithmetic number, because the mean of its divisors is an integer number (25718560).

Almost surely, 2^51437119 is an apocalyptic number.

51437119 is a deficient number, since it is larger than the sum of its proper divisors (1).

51437119 is an equidigital number, since it uses as much as digits as its factorization.

51437119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 51437119 is about 7171.9675821911. The cubic root of 51437119 is about 371.8994578364.

The spelling of 51437119 in words is "fifty-one million, four hundred thirty-seven thousand, one hundred nineteen".