521042134 has 16 divisors (see below), whose sum is σ = 794147760. Its totient is φ = 256354560.

The previous prime is 521042131. The next prime is 521042147. The reversal of 521042134 is 431240125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521042131) 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 in 7 ways as a sum of consecutive naturals, for example, 30622 + ... + 44494.

It is an arithmetic number, because the mean of its divisors is an integer number (49634235).

Almost surely, 2^521042134 is an apocalyptic number.

521042134 is a deficient number, since it is larger than the sum of its proper divisors (273105626).

521042134 is a wasteful number, since it uses less digits than its factorization.

521042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 521042134 is about 22826.3473643945. The cubic root of 521042134 is about 804.6819900479.

Adding to 521042134 its reverse (431240125), we get a palindrome (952282259).

The spelling of 521042134 in words is "five hundred twenty-one million, forty-two thousand, one hundred thirty-four".