541551 has 8 divisors (see below), whose sum is σ = 729904. Its totient is φ = 357120.

The previous prime is 541549. The next prime is 541571. The reversal of 541551 is 155145.

541551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 541551 - 2¹ = 541549 is a prime.

It is an Ulam number.

It is a Duffinian number.

541551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (91238).

2⁵⁴¹⁵⁵¹ is an apocalyptic number.

541551 is a deficient number, since it is larger than the sum of its proper divisors (188353).

541551 is a wasteful number, since it uses less digits than its factorization.

541551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its digits is 500, while the sum is 21.

The square root of 541551 is about 735.9014879724. The cubic root of 541551 is about 81.5104180793.

Adding to 541551 its reverse (155145), we get a palindrome (696696).

The spelling of 541551 in words is "five hundred forty-one thousand, five hundred fifty-one".