506101642 has 4 divisors (see below), whose sum is σ = 759152466. Its totient is φ = 253050820.

The previous prime is 506101597. The next prime is 506101643. The reversal of 506101642 is 246101605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262148481 + 243953161 = 16191^2 + 15619^2 .

It is a super-2 number, since 2×506101642² = 512277744070192328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506101643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126525409 + ... + 126525412.

Almost surely, 2^506101642 is an apocalyptic number.

506101642 is a deficient number, since it is larger than the sum of its proper divisors (253050824).

506101642 is a wasteful number, since it uses less digits than its factorization.

506101642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253050823.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 506101642 is about 22496.7029139828. The cubic root of 506101642 is about 796.9160655028.

The spelling of 506101642 in words is "five hundred six million, one hundred one thousand, six hundred forty-two".