51152523 has 4 divisors (see below), whose sum is σ = 68203368. Its totient is φ = 34101680.

The previous prime is 51152513. The next prime is 51152551. The reversal of 51152523 is 32525115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51152523 - 2⁹ = 51152011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51152493 and 51152502.

It is not an unprimeable number, because it can be changed into a prime (51152513) 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, 8525418 + ... + 8525423.

It is an arithmetic number, because the mean of its divisors is an integer number (17050842).

Almost surely, 2^51152523 is an apocalyptic number.

51152523 is a deficient number, since it is larger than the sum of its proper divisors (17050845).

51152523 is a wasteful number, since it uses less digits than its factorization.

51152523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050844.

The product of its digits is 1500, while the sum is 24.

The square root of 51152523 is about 7152.0992023321. The cubic root of 51152523 is about 371.2122958229.

Adding to 51152523 its reverse (32525115), we get a palindrome (83677638).

The spelling of 51152523 in words is "fifty-one million, one hundred fifty-two thousand, five hundred twenty-three".