51263141 has 4 divisors (see below), whose sum is σ = 51602784. Its totient is φ = 50923500.

The previous prime is 51263129. The next prime is 51263189. The reversal of 51263141 is 14136215.

51263141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 51263141 - 2⁶ = 51263077 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 (51263341) 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 in 3 ways as a sum of consecutive naturals, for example, 169595 + ... + 169896.

It is an arithmetic number, because the mean of its divisors is an integer number (12900696).

Almost surely, 2^51263141 is an apocalyptic number.

It is an amenable number.

51263141 is a deficient number, since it is larger than the sum of its proper divisors (339643).

51263141 is a wasteful number, since it uses less digits than its factorization.

51263141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339642.

The product of its digits is 720, while the sum is 23.

The square root of 51263141 is about 7159.8282800637. The cubic root of 51263141 is about 371.4796869847.

Adding to 51263141 its reverse (14136215), we get a palindrome (65399356).

The spelling of 51263141 in words is "fifty-one million, two hundred sixty-three thousand, one hundred forty-one".