51154151 has 4 divisors (see below), whose sum is σ = 51874704. Its totient is φ = 50433600.

The previous prime is 51154111. The next prime is 51154157. The reversal of 51154151 is 15145115.

51154151 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 an emirpimes, since its reverse is a distinct semiprime: 15145115 = 5 ⋅3029023.

It is a cyclic number.

It is not a de Polignac number, because 51154151 - 2⁶ = 51154087 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 (51154157) 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, 360170 + ... + 360311.

It is an arithmetic number, because the mean of its divisors is an integer number (12968676).

Almost surely, 2^51154151 is an apocalyptic number.

51154151 is a deficient number, since it is larger than the sum of its proper divisors (720553).

51154151 is an equidigital number, since it uses as much as digits as its factorization.

51154151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720552.

The product of its digits is 500, while the sum is 23.

The square root of 51154151 is about 7152.2130141656. The cubic root of 51154151 is about 371.2162338965.

Adding to 51154151 its reverse (15145115), we get a palindrome (66299266).

The spelling of 51154151 in words is "fifty-one million, one hundred fifty-four thousand, one hundred fifty-one".