4015841 has 2 divisors, whose sum is σ = 4015842. Its totient is φ = 4015840.

The previous prime is 4015829. The next prime is 4015873. The reversal of 4015841 is 1485104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3625216 + 390625 = 1904^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4015841 - 2¹⁰ = 4014817 is a prime.

It is a super-2 number, since 2×4015841² = 32253957874562, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4015801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007920 + 2007921.

It is an arithmetic number, because the mean of its divisors is an integer number (2007921).

Almost surely, 2^4015841 is an apocalyptic number.

It is an amenable number.

4015841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015841 is an equidigital number, since it uses as much as digits as its factorization.

4015841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 4015841 is about 2003.9563368497. The cubic root of 4015841 is about 158.9493793473.

The spelling of 4015841 in words is "four million, fifteen thousand, eight hundred forty-one".