51072467 has 2 divisors, whose sum is σ = 51072468. Its totient is φ = 51072466.

The previous prime is 51072449. The next prime is 51072493. The reversal of 51072467 is 76427015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51072467 - 2⁸ = 51072211 is a prime.

It is not a weakly prime, because it can be changed into another prime (51072767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25536233 + 25536234.

It is an arithmetic number, because the mean of its divisors is an integer number (25536234).

Almost surely, 2^51072467 is an apocalyptic number.

51072467 is a deficient number, since it is larger than the sum of its proper divisors (1).

51072467 is an equidigital number, since it uses as much as digits as its factorization.

51072467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 51072467 is about 7146.5003323305. The cubic root of 51072467 is about 371.0185400605.

The spelling of 51072467 in words is "fifty-one million, seventy-two thousand, four hundred sixty-seven".