452385 has 20 divisors (see below), whose sum is σ = 811668. Its totient is φ = 241056.

The previous prime is 452377. The next prime is 452393. The reversal of 452385 is 583254.

It is an interprime number because it is at equal distance from previous prime (452377) and next prime (452393).

It can be written as a sum of positive squares in 2 ways, for example, as 77841 + 374544 = 279^2 + 612^2 .

It is not a de Polignac number, because 452385 - 2³ = 452377 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154 + ... + 963.

2⁴⁵²³⁸⁵ is an apocalyptic number.

452385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

452385 is a deficient number, since it is larger than the sum of its proper divisors (359283).

452385 is a wasteful number, since it uses less digits than its factorization.

452385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1125 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 452385 is about 672.5957180952. The cubic root of 452385 is about 76.7660861005.

The spelling of 452385 in words is "four hundred fifty-two thousand, three hundred eighty-five".