51174419 has 2 divisors, whose sum is σ = 51174420. Its totient is φ = 51174418.

The previous prime is 51174407. The next prime is 51174421. The reversal of 51174419 is 91447115.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51174419 - 2²⁴ = 34397203 is a prime.

It is a super-2 number, since 2×51174419² = 5237642319975122, which contains 22 as substring.

Together with 51174421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51174449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25587209 + 25587210.

It is an arithmetic number, because the mean of its divisors is an integer number (25587210).

Almost surely, 2^51174419 is an apocalyptic number.

51174419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51174419 is an equidigital number, since it uses as much as digits as its factorization.

51174419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 51174419 is about 7153.6297779519. The cubic root of 51174419 is about 371.2652544681.

The spelling of 51174419 in words is "fifty-one million, one hundred seventy-four thousand, four hundred nineteen".