51267413 has 2 divisors, whose sum is σ = 51267414. Its totient is φ = 51267412.

The previous prime is 51267409. The next prime is 51267443. The reversal of 51267413 is 31476215.

51267413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 22344529 = 5378^2 + 4727^2 .

It is a cyclic number.

It is not a de Polignac number, because 51267413 - 2² = 51267409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51267443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25633706 + 25633707.

It is an arithmetic number, because the mean of its divisors is an integer number (25633707).

Almost surely, 2^51267413 is an apocalyptic number.

It is an amenable number.

51267413 is a deficient number, since it is larger than the sum of its proper divisors (1).

51267413 is an equidigital number, since it uses as much as digits as its factorization.

51267413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 51267413 is about 7160.1266050259. The cubic root of 51267413 is about 371.4900057511.

The spelling of 51267413 in words is "fifty-one million, two hundred sixty-seven thousand, four hundred thirteen".