51163141 has 4 divisors (see below), whose sum is σ = 51177484. Its totient is φ = 51148800.

The previous prime is 51163139. The next prime is 51163169. The reversal of 51163141 is 14136115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 42954916 + 8208225 = 6554^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 51163141 - 2¹ = 51163139 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 (51163171) 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, 2821 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (12794371).

Almost surely, 2^51163141 is an apocalyptic number.

It is an amenable number.

51163141 is a deficient number, since it is larger than the sum of its proper divisors (14343).

51163141 is an equidigital number, since it uses as much as digits as its factorization.

51163141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14342.

The product of its digits is 360, while the sum is 22.

The square root of 51163141 is about 7152.8414633627. The cubic root of 51163141 is about 371.2379788797.

Adding to 51163141 its reverse (14136115), we get a palindrome (65299256).

The spelling of 51163141 in words is "fifty-one million, one hundred sixty-three thousand, one hundred forty-one".