51207141 has 4 divisors (see below), whose sum is σ = 68276192. Its totient is φ = 34138092.

The previous prime is 51207119. The next prime is 51207151. The reversal of 51207141 is 14170215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51207141 - 2⁹ = 51206629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51207151) 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, 8534521 + ... + 8534526.

It is an arithmetic number, because the mean of its divisors is an integer number (17069048).

Almost surely, 2^51207141 is an apocalyptic number.

It is an amenable number.

51207141 is a deficient number, since it is larger than the sum of its proper divisors (17069051).

51207141 is a wasteful number, since it uses less digits than its factorization.

51207141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17069050.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 51207141 is about 7155.9165031462. The cubic root of 51207141 is about 371.3443692125.

Adding to 51207141 its reverse (14170215), we get a palindrome (65377356).

The spelling of 51207141 in words is "fifty-one million, two hundred seven thousand, one hundred forty-one".