505147541 has 2 divisors, whose sum is σ = 505147542. Its totient is φ = 505147540.

The previous prime is 505147481. The next prime is 505147543. The reversal of 505147541 is 145741505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437019025 + 68128516 = 20905^2 + 8254^2 .

It is a cyclic number.

It is not a de Polignac number, because 505147541 - 2⁶ = 505147477 is a prime.

Together with 505147543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 505147498 and 505147507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505147543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252573770 + 252573771.

It is an arithmetic number, because the mean of its divisors is an integer number (252573771).

Almost surely, 2^505147541 is an apocalyptic number.

It is an amenable number.

505147541 is a deficient number, since it is larger than the sum of its proper divisors (1).

505147541 is an equidigital number, since it uses as much as digits as its factorization.

505147541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 505147541 is about 22475.4875586716. The cubic root of 505147541 is about 796.4149693799.

The spelling of 505147541 in words is "five hundred five million, one hundred forty-seven thousand, five hundred forty-one".