51234679 has 2 divisors, whose sum is σ = 51234680. Its totient is φ = 51234678.

The previous prime is 51234671. The next prime is 51234713. The reversal of 51234679 is 97643215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51234679 - 2³ = 51234671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51234671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617339 + 25617340.

It is an arithmetic number, because the mean of its divisors is an integer number (25617340).

Almost surely, 2^51234679 is an apocalyptic number.

51234679 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234679 is an equidigital number, since it uses as much as digits as its factorization.

51234679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 51234679 is about 7157.8403865971. The cubic root of 51234679 is about 371.4109240488.

The spelling of 51234679 in words is "fifty-one million, two hundred thirty-four thousand, six hundred seventy-nine".