504012242 has 4 divisors (see below), whose sum is σ = 756018366. Its totient is φ = 252006120.

The previous prime is 504012239. The next prime is 504012247. The reversal of 504012242 is 242210405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242210405 = 5 ⋅48442081.

It can be written as a sum of positive squares in only one way, i.e., 496888681 + 7123561 = 22291^2 + 2669^2 .

It is not an unprimeable number, because it can be changed into a prime (504012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126003059 + ... + 126003062.

Almost surely, 2^504012242 is an apocalyptic number.

504012242 is a deficient number, since it is larger than the sum of its proper divisors (252006124).

504012242 is a wasteful number, since it uses less digits than its factorization.

504012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252006123.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 504012242 is about 22450.2169699983. The cubic root of 504012242 is about 795.8178848629.

Adding to 504012242 its reverse (242210405), we get a palindrome (746222647).

The spelling of 504012242 in words is "five hundred four million, twelve thousand, two hundred forty-two".