51741971 has 4 divisors (see below), whose sum is σ = 52842912. Its totient is φ = 50641032.

The previous prime is 51741967. The next prime is 51741979. The reversal of 51741971 is 17914715.

51741971 is nontrivially palindromic in base 16.

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 51741971 - 2² = 51741967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51741979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550400 + ... + 550493.

It is an arithmetic number, because the mean of its divisors is an integer number (13210728).

Almost surely, 2^51741971 is an apocalyptic number.

51741971 is a deficient number, since it is larger than the sum of its proper divisors (1100941).

51741971 is a wasteful number, since it uses less digits than its factorization.

51741971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100940.

The product of its digits is 8820, while the sum is 35.

The square root of 51741971 is about 7193.1892092451. The cubic root of 51741971 is about 372.6327224002.

The spelling of 51741971 in words is "fifty-one million, seven hundred forty-one thousand, nine hundred seventy-one".