378541 has 4 divisors (see below), whose sum is σ = 390784. Its totient is φ = 366300.

The previous prime is 378533. The next prime is 378551. The reversal of 378541 is 145873.

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 378541 - 2³ = 378533 is a prime.

It is a Duffinian number.

378541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378551) 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, 6075 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (97696).

2³⁷⁸⁵⁴¹ is an apocalyptic number.

378541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

378541 is a deficient number, since it is larger than the sum of its proper divisors (12243).

378541 is a wasteful number, since it uses less digits than its factorization.

378541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its digits is 3360, while the sum is 28.

The square root of 378541 is about 615.2568569305. The cubic root of 378541 is about 72.3387458462.

It can be divided in two parts, 378 and 541, that added together give a palindrome (919).

The spelling of 378541 in words is "three hundred seventy-eight thousand, five hundred forty-one".