51016242 has 8 divisors (see below), whose sum is σ = 102032496. Its totient is φ = 17005412.

The previous prime is 51016241. The next prime is 51016243. The reversal of 51016242 is 24261015.

It is an interprime number because it is at equal distance from previous prime (51016241) and next prime (51016243).

It is a sphenic number, since it is the product of 3 distinct primes.

51016242 is an admirable number.

It is a super-3 number, since 3×51016242³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51016241) 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, 4251348 + ... + 4251359.

It is an arithmetic number, because the mean of its divisors is an integer number (12754062).

Almost surely, 2^51016242 is an apocalyptic number.

51016242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51016242 is a wasteful number, since it uses less digits than its factorization.

51016242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502712.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51016242 is about 7142.5655054749. The cubic root of 51016242 is about 370.8823402752.

Adding to 51016242 its reverse (24261015), we get a palindrome (75277257).

The spelling of 51016242 in words is "fifty-one million, sixteen thousand, two hundred forty-two".