521545114 has 4 divisors (see below), whose sum is σ = 782317674. Its totient is φ = 260772556.

The previous prime is 521545111. The next prime is 521545139. The reversal of 521545114 is 411545125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 411400089 + 110145025 = 20283^2 + 10495^2 .

It is not an unprimeable number, because it can be changed into a prime (521545111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130386277 + ... + 130386280.

Almost surely, 2^521545114 is an apocalyptic number.

521545114 is a deficient number, since it is larger than the sum of its proper divisors (260772560).

521545114 is a wasteful number, since it uses less digits than its factorization.

521545114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260772559.

The product of its digits is 4000, while the sum is 28.

The square root of 521545114 is about 22837.3622382271. The cubic root of 521545114 is about 804.9408358972.

The spelling of 521545114 in words is "five hundred twenty-one million, five hundred forty-five thousand, one hundred fourteen".