541294921 has 2 divisors, whose sum is σ = 541294922. Its totient is φ = 541294920.

The previous prime is 541294843. The next prime is 541294951. The reversal of 541294921 is 129492145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541213696 + 81225 = 23264^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 541294921 - 2²⁹ = 4424009 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (541294951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270647460 + 270647461.

It is an arithmetic number, because the mean of its divisors is an integer number (270647461).

Almost surely, 2^541294921 is an apocalyptic number.

It is an amenable number.

541294921 is a deficient number, since it is larger than the sum of its proper divisors (1).

541294921 is an equidigital number, since it uses as much as digits as its factorization.

541294921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 541294921 is about 23265.7456575112. The cubic root of 541294921 is about 814.9756832169.

The spelling of 541294921 in words is "five hundred forty-one million, two hundred ninety-four thousand, nine hundred twenty-one".