51317411 has 4 divisors (see below), whose sum is σ = 51447072. Its totient is φ = 51187752.

The previous prime is 51317401. The next prime is 51317417. The reversal of 51317411 is 11471315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51317411 - 2¹⁴ = 51301027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51317417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64235 + ... + 65028.

It is an arithmetic number, because the mean of its divisors is an integer number (12861768).

Almost surely, 2^51317411 is an apocalyptic number.

51317411 is a deficient number, since it is larger than the sum of its proper divisors (129661).

51317411 is a wasteful number, since it uses less digits than its factorization.

51317411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129660.

The product of its digits is 420, while the sum is 23.

The square root of 51317411 is about 7163.6171729092. The cubic root of 51317411 is about 371.6107304086.

Adding to 51317411 its reverse (11471315), we get a palindrome (62788726).

The spelling of 51317411 in words is "fifty-one million, three hundred seventeen thousand, four hundred eleven".