51230419 has 2 divisors, whose sum is σ = 51230420. Its totient is φ = 51230418.

The previous prime is 51230393. The next prime is 51230429. The reversal of 51230419 is 91403215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51230419 - 2⁹ = 51229907 is a prime.

It is a super-2 number, since 2×51230419² = 5249111661831122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51230393 and 51230402.

It is not a weakly prime, because it can be changed into another prime (51230429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25615209 + 25615210.

It is an arithmetic number, because the mean of its divisors is an integer number (25615210).

Almost surely, 2^51230419 is an apocalyptic number.

51230419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51230419 is an equidigital number, since it uses as much as digits as its factorization.

51230419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 51230419 is about 7157.5428046223. The cubic root of 51230419 is about 371.4006298860.

The spelling of 51230419 in words is "fifty-one million, two hundred thirty thousand, four hundred nineteen".