452365 has 4 divisors (see below), whose sum is σ = 542844. Its totient is φ = 361888.

The previous prime is 452363. The next prime is 452377. The reversal of 452365 is 563254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563254 = 2 ⋅281627.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 184041 = 518^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 452365 - 2¹ = 452363 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 5³ + 3¹¹ + 2¹¹ + 6⁵ + 5⁵ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

452365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45232 + ... + 45241.

It is an arithmetic number, because the mean of its divisors is an integer number (135711).

2⁴⁵²³⁶⁵ is an apocalyptic number.

It is an amenable number.

452365 is a deficient number, since it is larger than the sum of its proper divisors (90479).

452365 is an equidigital number, since it uses as much as digits as its factorization.

452365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90478.

The product of its digits is 3600, while the sum is 25.

The square root of 452365 is about 672.5808501586. The cubic root of 452365 is about 76.7649548042.

Subtracting 452365 from its reverse (563254), we obtain a square (110889 = 333²).

The spelling of 452365 in words is "four hundred fifty-two thousand, three hundred sixty-five".