51114513 has 4 divisors (see below), whose sum is σ = 68152688. Its totient is φ = 34076340.

The previous prime is 51114493. The next prime is 51114517. The reversal of 51114513 is 31541115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51114513 - 2²¹ = 49017361 is a prime.

It is a super-2 number, since 2×51114513² = 5225386878454338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51114513.

It is not an unprimeable number, because it can be changed into a prime (51114517) 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, 8519083 + ... + 8519088.

It is an arithmetic number, because the mean of its divisors is an integer number (17038172).

Almost surely, 2^51114513 is an apocalyptic number.

It is an amenable number.

51114513 is a deficient number, since it is larger than the sum of its proper divisors (17038175).

51114513 is a wasteful number, since it uses less digits than its factorization.

51114513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038174.

The product of its digits is 300, while the sum is 21.

The square root of 51114513 is about 7149.4414467146. The cubic root of 51114513 is about 371.1203272366.

Adding to 51114513 its reverse (31541115), we get a palindrome (82655628).

The spelling of 51114513 in words is "fifty-one million, one hundred fourteen thousand, five hundred thirteen".