541605439 has 2 divisors, whose sum is σ = 541605440. Its totient is φ = 541605438.

The previous prime is 541605401. The next prime is 541605473. The reversal of 541605439 is 934506145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541605439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 541605398 and 541605407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541605539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270802719 + 270802720.

It is an arithmetic number, because the mean of its divisors is an integer number (270802720).

Almost surely, 2^541605439 is an apocalyptic number.

541605439 is a deficient number, since it is larger than the sum of its proper divisors (1).

541605439 is an equidigital number, since it uses as much as digits as its factorization.

541605439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 541605439 is about 23272.4179878241. The cubic root of 541605439 is about 815.1314924526.

The spelling of 541605439 in words is "five hundred forty-one million, six hundred five thousand, four hundred thirty-nine".