521914 has 8 divisors (see below), whose sum is σ = 796320. Its totient is φ = 256476.

The previous prime is 521903. The next prime is 521923. The reversal of 521914 is 419125.

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, 2094 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2⁵²¹⁹¹⁴ is an apocalyptic number.

521914 is a deficient number, since it is larger than the sum of its proper divisors (274406).

521914 is a wasteful number, since it uses less digits than its factorization.

521914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its digits is 360, while the sum is 22.

The square root of 521914 is about 722.4361563488. The cubic root of 521914 is about 80.5130567919.

The spelling of 521914 in words is "five hundred twenty-one thousand, nine hundred fourteen".