4181087 has 2 divisors, whose sum is σ = 4181088. Its totient is φ = 4181086.

The previous prime is 4181081. The next prime is 4181129. The reversal of 4181087 is 7801814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4181087 - 2⁴ = 4181071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4181081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090543 + 2090544.

It is an arithmetic number, because the mean of its divisors is an integer number (2090544).

Almost surely, 2^4181087 is an apocalyptic number.

4181087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181087 is an equidigital number, since it uses as much as digits as its factorization.

4181087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 4181087 is about 2044.7706472854. The cubic root of 4181087 is about 161.1003194075.

The spelling of 4181087 in words is "four million, one hundred eighty-one thousand, eighty-seven".