51458039 has 2 divisors, whose sum is σ = 51458040. Its totient is φ = 51458038.

The previous prime is 51458027. The next prime is 51458041. The reversal of 51458039 is 93085415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51458039 - 2¹² = 51453943 is a prime.

Together with 51458041, 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 (51458639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25729019 + 25729020.

It is an arithmetic number, because the mean of its divisors is an integer number (25729020).

Almost surely, 2^51458039 is an apocalyptic number.

51458039 is a deficient number, since it is larger than the sum of its proper divisors (1).

51458039 is an equidigital number, since it uses as much as digits as its factorization.

51458039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 51458039 is about 7173.4258900472. The cubic root of 51458039 is about 371.9498694347.

The spelling of 51458039 in words is "fifty-one million, four hundred fifty-eight thousand, thirty-nine".