521228314 has 8 divisors (see below), whose sum is σ = 782006868. Its totient is φ = 260559360.

The previous prime is 521228263. The next prime is 521228329. The reversal of 521228314 is 413822125.

It can be written as a sum of positive squares in 2 ways, for example, as 515063025 + 6165289 = 22695^2 + 2483^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14247 + ... + 35290.

Almost surely, 2^521228314 is an apocalyptic number.

521228314 is a deficient number, since it is larger than the sum of its proper divisors (260778554).

521228314 is a wasteful number, since it uses less digits than its factorization.

521228314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54800.

The product of its digits is 3840, while the sum is 28.

The square root of 521228314 is about 22830.4251821993. The cubic root of 521228314 is about 804.7778222545. Note that the first 3 decimals are identical.

The spelling of 521228314 in words is "five hundred twenty-one million, two hundred twenty-eight thousand, three hundred fourteen".