541420997 has 4 divisors (see below), whose sum is σ = 583068780. Its totient is φ = 499773216.

The previous prime is 541420991. The next prime is 541421009. The reversal of 541420997 is 799024145.

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 208686916 + 332734081 = 14446^2 + 18241^2 .

It is a cyclic number.

It is not a de Polignac number, because 541420997 - 2²⁶ = 474312133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541420991) by changing a digit.

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, 20823872 + ... + 20823897.

It is an arithmetic number, because the mean of its divisors is an integer number (145767195).

Almost surely, 2^541420997 is an apocalyptic number.

It is an amenable number.

541420997 is a deficient number, since it is larger than the sum of its proper divisors (41647783).

541420997 is a wasteful number, since it uses less digits than its factorization.

541420997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41647782.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 541420997 is about 23268.4549766417. The cubic root of 541420997 is about 815.0389518061.

The spelling of 541420997 in words is "five hundred forty-one million, four hundred twenty thousand, nine hundred ninety-seven".