541356391 has 2 divisors, whose sum is σ = 541356392. Its totient is φ = 541356390.

The previous prime is 541356377. The next prime is 541356397. The reversal of 541356391 is 193653145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541356391 - 2⁹ = 541355879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541356391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541356397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270678195 + 270678196.

It is an arithmetic number, because the mean of its divisors is an integer number (270678196).

Almost surely, 2^541356391 is an apocalyptic number.

541356391 is a deficient number, since it is larger than the sum of its proper divisors (1).

541356391 is an equidigital number, since it uses as much as digits as its factorization.

541356391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 541356391 is about 23267.0666608406. The cubic root of 541356391 is about 815.0065318708.

The spelling of 541356391 in words is "five hundred forty-one million, three hundred fifty-six thousand, three hundred ninety-one".