51619079 has 2 divisors, whose sum is σ = 51619080. Its totient is φ = 51619078.

The previous prime is 51619063. The next prime is 51619081. The reversal of 51619079 is 97091615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51619079 - 2⁴ = 51619063 is a prime.

Together with 51619081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51619679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25809539 + 25809540.

It is an arithmetic number, because the mean of its divisors is an integer number (25809540).

Almost surely, 2^51619079 is an apocalyptic number.

51619079 is a deficient number, since it is larger than the sum of its proper divisors (1).

51619079 is an equidigital number, since it uses as much as digits as its factorization.

51619079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 51619079 is about 7184.6418839076. The cubic root of 51619079 is about 372.3374760575.

The spelling of 51619079 in words is "fifty-one million, six hundred nineteen thousand, seventy-nine".