541778 has 8 divisors (see below), whose sum is σ = 840780. Its totient is φ = 261520.

The previous prime is 541777. The next prime is 541781. The reversal of 541778 is 877145.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 4489 = 733^2 + 67^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (541771) 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, 4613 + ... + 4728.

2⁵⁴¹⁷⁷⁸ is an apocalyptic number.

541778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

541778 is a deficient number, since it is larger than the sum of its proper divisors (299002).

541778 is a wasteful number, since it uses less digits than its factorization.

541778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372.

The product of its digits is 7840, while the sum is 32.

The square root of 541778 is about 736.0557044137. The cubic root of 541778 is about 81.5218052988.

The spelling of 541778 in words is "five hundred forty-one thousand, seven hundred seventy-eight".