4241581 has 2 divisors, whose sum is σ = 4241582. Its totient is φ = 4241580.

The previous prime is 4241539. The next prime is 4241593. The reversal of 4241581 is 1851424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 1713481 = 1590^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241581 - 2¹¹ = 4239533 is a prime.

It is a super-2 number, since 2×4241581² = 35982018759122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4241521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120790 + 2120791.

It is an arithmetic number, because the mean of its divisors is an integer number (2120791).

Almost surely, 2^4241581 is an apocalyptic number.

It is an amenable number.

4241581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4241581 is an equidigital number, since it uses as much as digits as its factorization.

4241581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 4241581 is about 2059.5098931542. The cubic root of 4241581 is about 161.8735613533.

The spelling of 4241581 in words is "four million, two hundred forty-one thousand, five hundred eighty-one".