521040314 has 8 divisors (see below), whose sum is σ = 782016660. Its totient is φ = 260368096.

The previous prime is 521040283. The next prime is 521040323. The reversal of 521040314 is 413040125.

It can be written as a sum of positive squares in 2 ways, for example, as 507015289 + 14025025 = 22517^2 + 3745^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71699 + ... + 78630.

Almost surely, 2^521040314 is an apocalyptic number.

521040314 is a deficient number, since it is larger than the sum of its proper divisors (260976346).

521040314 is a wasteful number, since it uses less digits than its factorization.

521040314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152064.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 521040314 is about 22826.3074981478. The cubic root of 521040314 is about 804.6810531289.

Adding to 521040314 its reverse (413040125), we get a palindrome (934080439).

The spelling of 521040314 in words is "five hundred twenty-one million, forty thousand, three hundred fourteen".