521400314 has 8 divisors (see below), whose sum is σ = 785608320. Its totient is φ = 259530876.

The previous prime is 521400311. The next prime is 521400349. The reversal of 521400314 is 413004125.

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 (521400311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584084 + ... + 584975.

It is an arithmetic number, because the mean of its divisors is an integer number (98201040).

Almost surely, 2^521400314 is an apocalyptic number.

521400314 is a deficient number, since it is larger than the sum of its proper divisors (264208006).

521400314 is a wasteful number, since it uses less digits than its factorization.

521400314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169284.

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

The square root of 521400314 is about 22834.1917746173. The cubic root of 521400314 is about 804.8663353294.

Adding to 521400314 its reverse (413004125), we get a palindrome (934404439).

The spelling of 521400314 in words is "five hundred twenty-one million, four hundred thousand, three hundred fourteen".