541387505 has 8 divisors (see below), whose sum is σ = 660315624. Its totient is φ = 426009600.

The previous prime is 541387489. The next prime is 541387513. The reversal of 541387505 is 505783145.

It can be written as a sum of positive squares in 4 ways, for example, as 13490929 + 527896576 = 3673^2 + 22976^2 .

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

It is not a de Polignac number, because 541387505 - 2⁴ = 541387489 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 887216 + ... + 887825.

It is an arithmetic number, because the mean of its divisors is an integer number (82539453).

Almost surely, 2^541387505 is an apocalyptic number.

It is an amenable number.

541387505 is a deficient number, since it is larger than the sum of its proper divisors (118928119).

541387505 is a wasteful number, since it uses less digits than its factorization.

541387505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775107.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 541387505 is about 23267.7352787073. The cubic root of 541387505 is about 815.0221455084.

The spelling of 541387505 in words is "five hundred forty-one million, three hundred eighty-seven thousand, five hundred five".