51514121 has 16 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 48404160.

The previous prime is 51514117. The next prime is 51514123. The reversal of 51514121 is 12141515.

It is a cyclic number.

It is not a de Polignac number, because 51514121 - 2² = 51514117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51514093 and 51514102.

It is not an unprimeable number, because it can be changed into a prime (51514123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261395 + ... + 261591.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^51514121 is an apocalyptic number.

It is an amenable number.

51514121 is a deficient number, since it is larger than the sum of its proper divisors (3228919).

51514121 is a wasteful number, since it uses less digits than its factorization.

51514121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 200, while the sum is 20.

The square root of 51514121 is about 7177.3338364604. Note that the first 3 decimals coincide. The cubic root of 51514121 is about 372.0849446631.

Adding to 51514121 its reverse (12141515), we get a palindrome (63655636).

The spelling of 51514121 in words is "fifty-one million, five hundred fourteen thousand, one hundred twenty-one".