320052413 has 4 divisors (see below), whose sum is σ = 322388700. Its totient is φ = 317716128.

The previous prime is 320052409. The next prime is 320052433. The reversal of 320052413 is 314250023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314250023 = 1009 ⋅311447.

It can be written as a sum of positive squares in 2 ways, for example, as 230219929 + 89832484 = 15173^2 + 9478^2 .

It is a cyclic number.

It is not a de Polignac number, because 320052413 - 2² = 320052409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320052433) 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, 1167938 + ... + 1168211.

It is an arithmetic number, because the mean of its divisors is an integer number (80597175).

Almost surely, 2^320052413 is an apocalyptic number.

It is an amenable number.

320052413 is a deficient number, since it is larger than the sum of its proper divisors (2336287).

320052413 is a wasteful number, since it uses less digits than its factorization.

320052413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336286.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 320052413 is about 17890.0087479017. The cubic root of 320052413 is about 684.0277203692.

The spelling of 320052413 in words is "three hundred twenty million, fifty-two thousand, four hundred thirteen".