51473267 has 2 divisors, whose sum is σ = 51473268. Its totient is φ = 51473266.

The previous prime is 51473221. The next prime is 51473269. The reversal of 51473267 is 76237415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51473267 - 2²⁰ = 50424691 is a prime.

Together with 51473269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51473269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25736633 + 25736634.

It is an arithmetic number, because the mean of its divisors is an integer number (25736634).

Almost surely, 2^51473267 is an apocalyptic number.

51473267 is a deficient number, since it is larger than the sum of its proper divisors (1).

51473267 is an equidigital number, since it uses as much as digits as its factorization.

51473267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 51473267 is about 7174.4872290638. The cubic root of 51473267 is about 371.9865562452.

The spelling of 51473267 in words is "fifty-one million, four hundred seventy-three thousand, two hundred sixty-seven".