541430581 has 2 divisors, whose sum is σ = 541430582. Its totient is φ = 541430580.

The previous prime is 541430507. The next prime is 541430633. The reversal of 541430581 is 185034145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282542481 + 258888100 = 16809^2 + 16090^2 .

It is a cyclic number.

It is not a de Polignac number, because 541430581 - 2⁷ = 541430453 is a prime.

It is a super-2 number, since 2×541430581² = 586294148083995122, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541430081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270715290 + 270715291.

It is an arithmetic number, because the mean of its divisors is an integer number (270715291).

Almost surely, 2^541430581 is an apocalyptic number.

It is an amenable number.

541430581 is a deficient number, since it is larger than the sum of its proper divisors (1).

541430581 is an equidigital number, since it uses as much as digits as its factorization.

541430581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 541430581 is about 23268.6609197865. The cubic root of 541430581 is about 815.0437609333.

The spelling of 541430581 in words is "five hundred forty-one million, four hundred thirty thousand, five hundred eighty-one".