541438705 has 4 divisors (see below), whose sum is σ = 649726452. Its totient is φ = 433150960.

The previous prime is 541438697. The next prime is 541438721. The reversal of 541438705 is 507834145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 426670336 + 114768369 = 20656^2 + 10713^2 .

It is not a de Polignac number, because 541438705 - 2³ = 541438697 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54143866 + ... + 54143875.

It is an arithmetic number, because the mean of its divisors is an integer number (162431613).

Almost surely, 2^541438705 is an apocalyptic number.

It is an amenable number.

541438705 is a deficient number, since it is larger than the sum of its proper divisors (108287747).

541438705 is a wasteful number, since it uses less digits than its factorization.

541438705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108287746.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 541438705 is about 23268.8354886960. The cubic root of 541438705 is about 815.0478374069.

The spelling of 541438705 in words is "five hundred forty-one million, four hundred thirty-eight thousand, seven hundred five".