51041242 has 24 divisors (see below), whose sum is σ = 94303764. Its totient is φ = 20587392.

The previous prime is 51041231. The next prime is 51041257. The reversal of 51041242 is 24214015.

It can be written as a sum of positive squares in 2 ways, for example, as 42107121 + 8934121 = 6489^2 + 2989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13653 + ... + 16984.

Almost surely, 2^51041242 is an apocalyptic number.

51041242 is a deficient number, since it is larger than the sum of its proper divisors (43262522).

51041242 is a wasteful number, since it uses less digits than its factorization.

51041242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30670 (or 30663 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 51041242 is about 7144.3153625802. The cubic root of 51041242 is about 370.9429127779.

Adding to 51041242 its reverse (24214015), we get a palindrome (75255257).

The spelling of 51041242 in words is "fifty-one million, forty-one thousand, two hundred forty-two".