51341243 has 4 divisors (see below), whose sum is σ = 51460248. Its totient is φ = 51222240.

The previous prime is 51341219. The next prime is 51341261. The reversal of 51341243 is 34214315.

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 51341243 - 2¹⁴ = 51324859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51341273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58853 + ... + 59718.

It is an arithmetic number, because the mean of its divisors is an integer number (12865062).

Almost surely, 2^51341243 is an apocalyptic number.

51341243 is a deficient number, since it is larger than the sum of its proper divisors (119005).

51341243 is a wasteful number, since it uses less digits than its factorization.

51341243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119004.

The product of its digits is 1440, while the sum is 23.

The square root of 51341243 is about 7165.2803853024. The cubic root of 51341243 is about 371.6682473160.

Adding to 51341243 its reverse (34214315), we get a palindrome (85555558).

The spelling of 51341243 in words is "fifty-one million, three hundred forty-one thousand, two hundred forty-three".