51406367 has 2 divisors, whose sum is σ = 51406368. Its totient is φ = 51406366.

The previous prime is 51406363. The next prime is 51406379. The reversal of 51406367 is 76360415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51406367 - 2² = 51406363 is a prime.

It is a super-2 number, since 2×51406367² = 5285229136277378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51406363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25703183 + 25703184.

It is an arithmetic number, because the mean of its divisors is an integer number (25703184).

Almost surely, 2^51406367 is an apocalyptic number.

51406367 is a deficient number, since it is larger than the sum of its proper divisors (1).

51406367 is an equidigital number, since it uses as much as digits as its factorization.

51406367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 51406367 is about 7169.8233590515. The cubic root of 51406367 is about 371.8253289306.

The spelling of 51406367 in words is "fifty-one million, four hundred six thousand, three hundred sixty-seven".