314161521 has 4 divisors (see below), whose sum is σ = 418882032. Its totient is φ = 209441012.

The previous prime is 314161517. The next prime is 314161537. The reversal of 314161521 is 125161413.

It is a happy number.

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 314161521 - 2² = 314161517 is a prime.

It is a super-2 number, since 2×314161521² = 197394922554066882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 314161491 and 314161500.

It is not an unprimeable number, because it can be changed into a prime (314161501) 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, 52360251 + ... + 52360256.

It is an arithmetic number, because the mean of its divisors is an integer number (104720508).

Almost surely, 2^314161521 is an apocalyptic number.

It is an amenable number.

314161521 is a deficient number, since it is larger than the sum of its proper divisors (104720511).

314161521 is a wasteful number, since it uses less digits than its factorization.

314161521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104720510.

The product of its digits is 720, while the sum is 24.

The square root of 314161521 is about 17724.6021393993. The cubic root of 314161521 is about 679.8049620864.

The spelling of 314161521 in words is "three hundred fourteen million, one hundred sixty-one thousand, five hundred twenty-one".