521414214 has 32 divisors (see below), whose sum is σ = 1062122496. Its totient is φ = 170601120.

The previous prime is 521414213. The next prime is 521414221. The reversal of 521414214 is 412414125.

It is a super-2 number, since 2×521414214² = 543745565122475592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521414213) 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 15 ways as a sum of consecutive naturals, for example, 220989 + ... + 223335.

It is an arithmetic number, because the mean of its divisors is an integer number (33191328).

Almost surely, 2^521414214 is an apocalyptic number.

521414214 is an abundant number, since it is smaller than the sum of its proper divisors (540708282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521414214 is a wasteful number, since it uses less digits than its factorization.

521414214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its digits is 1280, while the sum is 24.

The square root of 521414214 is about 22834.4961407078. The cubic root of 521414214 is about 804.8734875707.

Adding to 521414214 its reverse (412414125), we get a palindrome (933828339).

The spelling of 521414214 in words is "five hundred twenty-one million, four hundred fourteen thousand, two hundred fourteen".