4050581 has 2 divisors, whose sum is σ = 4050582. Its totient is φ = 4050580.

The previous prime is 4050547. The next prime is 4050587. The reversal of 4050581 is 1850504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 1380625 = 1634^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4050581 is a prime.

It is a super-2 number, since 2×4050581² = 32814412875122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4050587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025290 + 2025291.

It is an arithmetic number, because the mean of its divisors is an integer number (2025291).

Almost surely, 2^4050581 is an apocalyptic number.

It is an amenable number.

4050581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050581 is an equidigital number, since it uses as much as digits as its factorization.

4050581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 4050581 is about 2012.6055251837. The cubic root of 4050581 is about 159.4064072923.

The spelling of 4050581 in words is "four million, fifty thousand, five hundred eighty-one".