521314898 has 8 divisors (see below), whose sum is σ = 842124108. Its totient is φ = 240606864.

The previous prime is 521314897. The next prime is 521314903. The reversal of 521314898 is 898413125.

It can be written as a sum of positive squares in 2 ways, for example, as 459802249 + 61512649 = 21443^2 + 7843^2 .

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

It is not an unprimeable number, because it can be changed into a prime (521314891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025261 + ... + 10025312.

Almost surely, 2^521314898 is an apocalyptic number.

521314898 is a deficient number, since it is larger than the sum of its proper divisors (320809210).

521314898 is a wasteful number, since it uses less digits than its factorization.

521314898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050588.

The product of its digits is 69120, while the sum is 41.

The square root of 521314898 is about 22832.3213449706. The cubic root of 521314898 is about 804.8223817582.

The spelling of 521314898 in words is "five hundred twenty-one million, three hundred fourteen thousand, eight hundred ninety-eight".