382561 has 4 divisors (see below), whose sum is σ = 385072. Its totient is φ = 380052.

The previous prime is 382553. The next prime is 382567. The reversal of 382561 is 165283.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165283 = 197 ⋅839.

It is a cyclic number.

It is not a de Polignac number, because 382561 - 2³ = 382553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382567) 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, 1011 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (96268).

2³⁸²⁵⁶¹ is an apocalyptic number.

It is an amenable number.

382561 is a deficient number, since it is larger than the sum of its proper divisors (2511).

382561 is a wasteful number, since it uses less digits than its factorization.

382561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its digits is 1440, while the sum is 25.

The square root of 382561 is about 618.5151574537. The cubic root of 382561 is about 72.5939171291.

The spelling of 382561 in words is "three hundred eighty-two thousand, five hundred sixty-one".