51152151 has 4 divisors (see below), whose sum is σ = 68202872. Its totient is φ = 34101432.

The previous prime is 51152149. The next prime is 51152159. The reversal of 51152151 is 15125115.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51152151 - 2¹ = 51152149 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 (51152159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8525356 + ... + 8525361.

It is an arithmetic number, because the mean of its divisors is an integer number (17050718).

Almost surely, 2^51152151 is an apocalyptic number.

51152151 is a deficient number, since it is larger than the sum of its proper divisors (17050721).

51152151 is a wasteful number, since it uses less digits than its factorization.

51152151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050720.

The product of its digits is 250, while the sum is 21.

The square root of 51152151 is about 7152.0731959342. The cubic root of 51152151 is about 371.2113959565.

Adding to 51152151 its reverse (15125115), we get a palindrome (66277266).

The spelling of 51152151 in words is "fifty-one million, one hundred fifty-two thousand, one hundred fifty-one".