541620461 has 2 divisors, whose sum is σ = 541620462. Its totient is φ = 541620460.

The previous prime is 541620451. The next prime is 541620463. The reversal of 541620461 is 164026145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500416900 + 41203561 = 22370^2 + 6419^2 .

It is a cyclic number.

It is not a de Polignac number, because 541620461 - 2²² = 537426157 is a prime.

Together with 541620463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541620463) 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 as a sum of consecutive naturals, namely, 270810230 + 270810231.

It is an arithmetic number, because the mean of its divisors is an integer number (270810231).

Almost surely, 2^541620461 is an apocalyptic number.

It is an amenable number.

541620461 is a deficient number, since it is larger than the sum of its proper divisors (1).

541620461 is an equidigital number, since it uses as much as digits as its factorization.

541620461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 541620461 is about 23272.7407281566. The cubic root of 541620461 is about 815.1390285611.

The spelling of 541620461 in words is "five hundred forty-one million, six hundred twenty thousand, four hundred sixty-one".