314516521 has 4 divisors (see below), whose sum is σ = 343108944. Its totient is φ = 285924100.

The previous prime is 314516509. The next prime is 314516563. The reversal of 314516521 is 125615413.

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 not a de Polignac number, because 314516521 - 2⁷ = 314516393 is a prime.

It is a super-3 number, since 3×314516521³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314516521.

It is not an unprimeable number, because it can be changed into a prime (314516821) 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, 14296195 + ... + 14296216.

It is an arithmetic number, because the mean of its divisors is an integer number (85777236).

Almost surely, 2^314516521 is an apocalyptic number.

It is an amenable number.

314516521 is a deficient number, since it is larger than the sum of its proper divisors (28592423).

314516521 is a wasteful number, since it uses less digits than its factorization.

314516521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28592422.

The product of its digits is 3600, while the sum is 28.

The square root of 314516521 is about 17734.6136411257. The cubic root of 314516521 is about 680.0609237514.

The spelling of 314516521 in words is "three hundred fourteen million, five hundred sixteen thousand, five hundred twenty-one".