314665521 has 4 divisors (see below), whose sum is σ = 419554032. Its totient is φ = 209777012.

The previous prime is 314665471. The next prime is 314665577. The reversal of 314665521 is 125566413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 314665521 - 2⁹ = 314665009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (314665621) 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, 52444251 + ... + 52444256.

It is an arithmetic number, because the mean of its divisors is an integer number (104888508).

Almost surely, 2^314665521 is an apocalyptic number.

It is an amenable number.

314665521 is a deficient number, since it is larger than the sum of its proper divisors (104888511).

314665521 is a wasteful number, since it uses less digits than its factorization.

314665521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104888510.

The product of its digits is 21600, while the sum is 33.

The square root of 314665521 is about 17738.8139682449. The cubic root of 314665521 is about 680.1682981644.

The spelling of 314665521 in words is "three hundred fourteen million, six hundred sixty-five thousand, five hundred twenty-one".