521152214 has 32 divisors (see below), whose sum is σ = 887271840. Its totient is φ = 227404800.

The previous prime is 521152213. The next prime is 521152231. The reversal of 521152214 is 412251125.

It is a self number, because there is not a number n which added to its sum of digits gives 521152214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521152211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113222 + ... + 117734.

It is an arithmetic number, because the mean of its divisors is an integer number (27727245).

Almost surely, 2^521152214 is an apocalyptic number.

521152214 is a deficient number, since it is larger than the sum of its proper divisors (366119626).

521152214 is a wasteful number, since it uses less digits than its factorization.

521152214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736.

The product of its digits is 800, while the sum is 23.

The square root of 521152214 is about 22828.7584857346. The cubic root of 521152214 is about 804.7386541514.

The spelling of 521152214 in words is "five hundred twenty-one million, one hundred fifty-two thousand, two hundred fourteen".