51000379 has 2 divisors, whose sum is σ = 51000380. Its totient is φ = 51000378.

The previous prime is 51000371. The next prime is 51000413. The reversal of 51000379 is 97300015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51000379 - 2³ = 51000371 is a prime.

It is equal to p_3057514 and since 51000379 and 3057514 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51000371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500189 + 25500190.

It is an arithmetic number, because the mean of its divisors is an integer number (25500190).

Almost surely, 2^51000379 is an apocalyptic number.

51000379 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000379 is an equidigital number, since it uses as much as digits as its factorization.

51000379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 51000379 is about 7141.4549638011. The cubic root of 51000379 is about 370.8438955484.

The spelling of 51000379 in words is "fifty-one million, three hundred seventy-nine", and thus it is an aban number.